Seman, Norhaizian, Aliza Alias, and Zanaton Ikhsan. “Investigating PCK Among Malaysia Preschool Teachers in Early Mathematics”. International Journal of Psychosocial Rehabilitation 24, no. 6 (August 31, 2020): 5297–5307. Accessed December 19, 2025. https://psychosocial.com/index.php/ijpr/article/view/7009.