Nachiappan, Suppiah, and Norwahida Makhtar. 2018. “Analysis of Cognition Application in Teaching and Learning for Early Childhood by Physical and Aesthetic Elements in National Standard Preschool Curriculum (KSPK)”. Journal of Research, Policy & Practice of Teachers and Teacher Education 4 (2):24-31. https://ejournal.upsi.edu.my/index.php/JRPPTTE/article/view/186.