Lay, Y. F., & Rajoo, M. (2020). AFFECTIVE FACTORS CONTRIBUTING TO SOUTHEAST ASIAN AND EAST ASIAN EIGHTH GRADERS’ SCIENCE ACHIEVEMENT IN TIMSS 2015. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(6A), Continuous. presented at the December/2020. doi:https://doi.org/10.33225/pec/20.78.1107

Lay, Y. F., & Ng, K. T. (2021). CORRELATES OF SCIENCE CLASSROOM TEACHING WITH SOUTHEAST ASIAN AND EAST ASIAN EIGHTH GRADERS’ SCIENCE ACHIEVEMENT IN TIMSS 2015 . Problems of Education in the 21st Century, Problems of Education in the 21st Century, 79(3), Continuous. presented at the June/2021. doi:https://doi.org/10.33225/pec/21.79.425

Memisevic, H., & Ibralic, I. (2026). SCHOOL BULLYING AS A MODERATOR OF GENDER DIFFERENCES IN MATHEMATICS ACHIEVEMENT: EVIDENCE FROM TIMSS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 84(1), continuous. presented at the February/2026. doi:https://doi.org/10.33225/pec/26.84.157