Pešaković, D., & Šafhalter, A. (2016). UNIFIED TAXONOMY OF COMPETENCES FOR VERIFICATION OF STUDENT'S SKILLS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 72, Discontinuous. presented at the August/2016. doi:https://doi.org/10.33225/pec/16.72.89

Shishonok, M., & Makarenko, E. (2009). UNIVERSAL LECTURE MATERIAL: DIGITAL TECHNOLOGY OF CREATION AND AUTOMATIC MODIFICATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 16. presented at the November/2009. Retrieved from http://oaji.net/articles/2014/457-1396707504.pdf

Lamanauskas, V., Šlekienė, V., & Ragulienė, L. (2012). USAGE OF SOCIAL NETWORKING WEBSITES: LITHUANIAN UNIVERSITY STUDENTS’ POSITION. 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/12.45.27

Santana, E. R., & Arroio, A. (2012). THE USE OF AUDIOVISUAL APPROACH TO TEACH NATURE OF SCIENCE FOR IN-SERVICE NATURAL SCIENCE TEACHER’S EDUCATION. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 50. presented at the December/2012. doi:https://doi.org/10.33225/pec/12.50.90

Rochovská, I., & Švábová, B. (2023). THE USE OF CREATIVE DRAMA METHODS WITHIN KINDERGARTENS FROM THE PERSPECTIVE OF THE TEACHING STAFF. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 81(3), Continuous. presented at the June/2023. doi:https://doi.org/10.33225/pec/23.81.388

Rochovská, I., & Švábová, B. (2021). THE USE OF THE INTERPRETATION OF WORKS OF ART IN PRE-SCHOOL EDUCATION . Problems of Education in the 21st Century, Problems of Education in the 21st Century, 79(6), Continuous. presented at the December/2021. doi:https://doi.org/10.33225/pec/21.79.956

Gorghiu, G., Pribeanu, C., Lamanauskas, V., & Slekiene, V. (2020). USEFULNESS OF MOBILE TEACHING AND LEARNING AS PERCEIVED BY ROMANIAN AND LITHUANIAN SCIENCE TEACHERS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(5), Continuous. presented at the October/2020. doi:https://doi.org/10.33225/pec/20.78.719

Sikošek, D., & Žuželj, M. (2013). USING CHEMICAL MODELS FOR DEVELOPING NATURAL SCIENCE COMPETENCES IN TEACHING CHEMISTRY: FROM PUPILS AS MODEL ASSEMBLERS TO PUPILS AS CREATORS OF SELF-MADE MODELS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 53. presented at the April/2013. doi:https://doi.org/10.33225/pec/13.53.89

Silva, M. J., Lopes, J. B., & Silva, A. A. (2013). USING SENSES AND SENSORS IN THE ENVIRONMENT TO DEVELOP ABSTRACT THINKING – A THEORETICAL AND INSTRUMENTAL FRAMEWORK. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 53. presented at the April/2013. doi:https://doi.org/10.33225/pec/13.53.99

Silva, M. J., Lopes, J. B., & Silva, A. A. (2013). USING SENSES AND SENSORS IN THE ENVIRONMENT TO DEVELOP ABSTRACT THINKING – A THEORETICAL AND INSTRUMENTAL FRAMEWORK. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 53. presented at the April/2013. doi:https://doi.org/10.33225/pec/13.53.99

Schröttner, B. (2008). THE VALUE OF DATA IN ETHNOGRAPHICAL RESEARCH. 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/2014/457-1392235470.pdf

Soares, M., & Machado, L. (2014). VIOLENCE AGAINST TEACHERS: SPEECHES FROM BRAZILIAN’S DIGITAL MEDIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 58, Discontinuous. presented at the March/2014. doi:https://doi.org/10.33225/pec/14.58.144

Silva, A. B., Abrantes, C., Oliveira, E., Chumbo, C., Silva, A. A., & Silva, M. J. (2010). VIRTUAL AND PHYSICAL RESOURCES: A CASE OF SYNERGY IN STUDYING TIDES AND ROTATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 24. presented at the October/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594531

Silva, A. B., Abrantes, C., Oliveira, E., Chumbo, C., Silva, A. A., & Silva, M. J. (2010). VIRTUAL AND PHYSICAL RESOURCES: A CASE OF SYNERGY IN STUDYING TIDES AND ROTATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 24. presented at the October/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594531

Silva, A. B., Abrantes, C., Oliveira, E., Chumbo, C., Silva, A. A., & Silva, M. J. (2010). VIRTUAL AND PHYSICAL RESOURCES: A CASE OF SYNERGY IN STUDYING TIDES AND ROTATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 24. presented at the October/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594531

Bílek, M., Šimonová, I., & Lašek, J. (2010). VIRTUAL LEARNING ENVIRONMENT AS A SUBJECT OF CURRENT RESEARCH PROJECTS AT UNIVERSITY OF HRADEC KRÁLOVÉ. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 23. presented at the July/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594592

Schröttner, B. (2008). VISIONARY EDUCATIONAL CONCEPTS FOR GLOBAL CHALLENGES: GLOBAL AND PEACE EDUCATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 8. presented at the October/2008. Retrieved from http://oaji.net/articles/2014/457-1392284675.pdf

Mukminin, A., Habibi, A., Muhaimin,, Asrial,, Haryanto, E., Setiono, P., & Sofyan,. (2019). VOCATIONAL TECHNICAL HIGH SCHOOL TEACHERS’ BELIEFS TOWARDS ICT FOR THE 21ST CENTURY EDUCATION: INDONESIAN CONTEXT. 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/19.77.22

Mukminin, A., Habibi, A., Muhaimin,, Asrial,, Haryanto, E., Setiono, P., & Sofyan,. (2019). VOCATIONAL TECHNICAL HIGH SCHOOL TEACHERS’ BELIEFS TOWARDS ICT FOR THE 21ST CENTURY EDUCATION: INDONESIAN CONTEXT. 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/19.77.22

Puhek, M., Perše, M., & Šorgo, A. (2012). WHAT IS THE TENDENCY IN BIOLOGY VIRTUAL FIELD TRIPS? THE CASE OF MARIBOR ISLAND TRAIL. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 50. presented at the December/2012. doi:https://doi.org/10.33225/pec/12.50.80

Mechi, A., & Sanchez-Mazas, M. (2012). WHO STRIVES AND WHO GIVES UP? THE ROLE OF SOCIAL COMPARISON DISTANCE AND ACHIEVEMENT GOALS ON STUDENTS’ LEARNING INVESTMENT. 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/12.48.107

Kravale-Pauliņa, M., Olehnoviča, E., Ostrovska, I., Ivanova, A., & Šipilova, V. (2018). YOUTH POLICY MONITORING AS A TOOL FOR DEVELOPING SOCIAL SUSTAINABILITY IN LOCAL MUNICIPALITY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(3), Continuous. presented at the June/2018. doi:https://doi.org/10.33225/pec/18.76.350

Sergeev, S., & Urban, M. (2012). СOMPUTER VIZUALIZATION IN MATHEMATICS EDUCATION AS A PRACTICAL EDUCATIONAL TASK. 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/12.49.95