R. . Chander , Ed., “बाल विकास के सिद्धांत”, in बाल्यावस्था और विकास, Shodh Sagar International Publications, 2022, pp. 91–132. Accessed: Apr. 30, 2025. [Online]. Available: https://books.shodhsagar.org/index.php/books/catalog/book/30/chapter/167