Saravanan, Aishwaryalakshmi, and Bernadette Murphy. “Jean Piaget and His Studies on Cognitive Development and Contributions to the Field of Psychology”. Journal of Student Research 12, no. 3 (August 31, 2023). Accessed May 14, 2024. https://www.jsr.org/hs/index.php/path/article/view/5070.