Rabe, V. (2008). ICT-SUPPORTED INTERDISCIPLINARITY OF SUBJECTS. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 5. presented at the April/2008. Retrieved from http://oaji.net/articles/2014/457-1392224118.pdf

Rachvelishvili, N. (2017). ACHIEVEMENT MOTIVATION TOWARD LEARNING ENGLISH LANGUAGE IN MODERN EDUCATIONAL CONTEXT OF GEORGIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(4), Continuous. presented at the August/2017. doi:https://doi.org/10.33225/pec/17.75.366

Radojević, J., Ilić, J., Višnjić, D., & Jovanović, S. (2011). POPULARITY OF SPORT AMONG PUPILS OF PRIMARY SCHOOLS IN SERBIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 36. presented at the December/2011. doi:https://doi.org/10.33225/pec/11.36.51

Miloševič Radulović, L. R., & Markovič Krstić, S. V. (2022). THE STATE, ACCESSIBILITY, AND SIGNIFICANCE OF EDUCATION IN SERBIA . Problems of Education in the 21st Century, Problems of Education in the 21st Century, 80(4), Continuous. presented at the August/2022. doi:https://doi.org/10.33225/pec/22.80.565

Rafferty, J., & Turunen, T. A. (2015). PRINCIPALS’ WORK STORIES WITHIN NEO-LIBERAL SCHOOL REFORM. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 64, Discontinuous. presented at the April/2015. doi:https://doi.org/10.33225/pec/15.64.75

Raik, K., Kostyukevich, I., & Rootamm-Valter, J. (2013). SUBJECT AREA TEACHERS’ PROFESSIONAL COMPETENCE DEVELOPMENT NEEDS DURING THE TRANSITION TO TEACHING IN A SECOND LANGUAGE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 57, Discontinuous. presented at the December/2013. doi:https://doi.org/10.33225/pec/13.57.111

Rambousek, V., Beneš, P., & Adamec, M. (2007). EDUCATION REALITY IN CONDITIONS OF DEVELOPING INFORMATION SOCIETY. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 2. presented at the September/2007. Retrieved from http://oaji.net/articles/2014/457-1392220182.pdf

Rapti, E., & Karaj, T. (2012). ALBANIAN UNIVERSITY STUDENTS’ ETHNIC DISTANCE AND STEREOTYPES COMPARED WITH OTHER BALKAN NATIONS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 48. presented at the November/2012. doi:https://doi.org/10.33225/pec/12.48.127

Rapti, E., & Karaj, T. (2012). THE RELATIONSHIP BETWEEN JOB SATISFACTION, DEMOGRAPHIC AND SCHOOL CHARACTERISTICS AMONG BASIC EDUCATION TEACHERS IN ALBANIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 45. presented at the July/2012. doi:https://doi.org/10.33225/pec/12.45.73

Rask, M., Määttä, K., & Uusiautti, S. (2013). THE CHALLENGES OF HEALTH EDUCATION: FINNISH STUDENTS’ PERCEPTIONS OF HOW TO CHERISH HEALTH. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 51. presented at the March/2013. doi:https://doi.org/10.33225/pec/13.51.91

Ratamun, M. M., & Osman, K. (2018). THE EFFECTIVENESS OF VIRTUAL LAB COMPARED TO PHYSICAL LAB IN THE MASTERY OF SCIENCE PROCESS SKILLS FOR CHEMISTRY EXPERIMENT. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(4), Continuous. presented at the August/2018. doi:https://doi.org/10.33225/pec/18.76.544

Ratnik, M., & Rüütel, E. (2019). THE FIELD OF WORK OF THE SCHOOL ART THERAPIST AND ITS UNIQUE POTENTIAL FOR THE SCHOOL’S SUPPORT TEAM. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 77(1), Continuous. presented at the February/2019. doi:https://doi.org/10.33225/pec/19.77.142

Ratnik, M., & Rüütel, E. (2017). SCHOOL FACTORS AFFECTING ESTONIAN STUDENTS’ SUBJECTIVE WELL-BEING AT THE BASIC SCHOOL. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(6), Continuous. presented at the December/2017. doi:https://doi.org/10.33225/pec/17.75.599

Raud, N., Džalalova, A., & Raik, K. (2011). PLURILINGUALISM IN TEACHER EDUCATION FOR MULTICULTURAL SCHOOLS AND KINDERGARTENS IN ESTONIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 32. presented at the July/2011. doi:https://doi.org/10.33225/pec/11.32.113

Raud, N., & Orehhova, O. (2017). IN-SERVICE TRAINING OF TEACHERS OF ENGLISH AS A FOREIGN LANGUAGE IN ESTONIA: MAPPING OF TRENDS AND OPPORTUNITIES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(2), Continuous. presented at the April/2017. doi:https://doi.org/10.33225/pec/17.75.194

Raudsaar, M., & Kaseorg, M. (2012). COMPARING LEARNING PROCESS IN THE FIELD OF ENTREPRENEURSHIP EDUCATION: TARGET GROUPS REVISING LIFELONG EXPERIENCE IN TEACHING PROCESS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 49. presented at the December/2012. doi:https://doi.org/10.33225/pec/12.49.59

Raudsepp, I., & Vikat, M. (2009). JOINT SINGING AS A PHENOMENON OF ESTONIAN CULTURAL TRANSMISSION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 13. presented at the June/2009. Retrieved from http://oaji.net/articles/2014/457-1393666393.pdf

Rébék-Nagy, G. (2008). THE IMPORTANCE OF CONFERENCE PRESENTATIONS IN HIGHER EDUCATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 7. presented at the June/2008. Retrieved from http://oaji.net/articles/2014/457-1392235268.pdf

Recepoğlu, E. (2013). INVESTIGATING MOTIVATION OF PRIMARY AND SECONDARY SCHOOL TEACHERS IN TERMS OF DEMOGRAFIC VARIABLES ACCORDING TO TEACHER OPINIONS: A CASE OF TURKEY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 51. presented at the March/2013. doi:https://doi.org/10.33225/pec/13.51.104

Rehm, M., & Buck, P. (2009). HOW CAN ATOMS, THE FUNDAMENTAL OF CHEMISTRY, BE TAUGHT ADEQUATELY IN THE 21ST CENTURY?. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 17. presented at the November/2009. Retrieved from http://oaji.net/articles/2014/457-1399914243.pdf

Renigere, R., & Pēks, L. (2009). EXPERT EVALUATION OF SCENARIOS FOR INCLUSION OF EDUCATION ECOLOGY INTO NURSING STUDIES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 17. presented at the November/2009. Retrieved from http://oaji.net/articles/2014/457-1399915219.pdf

Repolusk, S. (2009). INTERACTIVE E-LEARNING MATERIALS IN THE MATHEMATICS CLASSROOM IN SLOVENIA. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 14. presented at the October/2009. Retrieved from http://oaji.net/articles/2014/457-1393668918.pdf

Retnawati, H., & Wulandari, N. F. (2019). THE DEVELOPMENT OF STUDENTS’ MATHEMATICAL LITERACY PROFICIENCY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 77(4), Continuous. presented at the August/2019. doi:https://doi.org/10.33225/pec/19.77.502

Retnawati, H., Djidu, H., Kartianom,, Apino, E., & Anazifa, R. D. (2018). TEACHERS’ KNOWLEDGE ABOUT HIGHER-ORDER THINKING SKILLS AND ITS LEARNING STRATEGY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(2), Continuous. presented at the April/2018. doi:https://doi.org/10.33225/pec/18.76.215

Retnawati, H., Hadi, S., Nugraha, A. C., Arlinwibowo, J., Sulistyaningsih, E., Djidu, H., Apino, E., et al. (2017). IMPLEMENTING THE COMPUTER-BASED NATIONAL EXAMINATION IN INDONESIAN SCHOOLS: THE CHALLENGES AND STRATEGIES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(6), Continuous. presented at the December/2017. doi:https://doi.org/10.33225/pec/17.75.612