Hadi, S., Retnawati, H., Munadi, S., Apino, E., & Wulandari, N. F. (2018). THE DIFFICULTIES OF HIGH SCHOOL STUDENTS IN SOLVING HIGHER-ORDER THINKING SKILLS PROBLEMS. 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/18.76.520

Zurqoni,, Retnawati, H., Apino, E., & Anazifa, R. D. (2018). IMPACT OF CHARACTER EDUCATION IMPLEMENTATION: A GOAL-FREE EVALUATION. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(6), Continuous. presented at the December/2018. doi:https://doi.org/10.33225/pec/18.76.881

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