Zainol M, Mazlan IR, Azizan C, Misron S, Idris R. The effectiveness of early detection and intervention programme for 4-6 years old preschoolers with developmental delays in Malaysia. JPB [Internet]. 2025 Sep. 10 [cited 2025 Dec. 5];18(Special Issue):62-77. Available from: https://ejournal.upsi.edu.my/index.php/JPB/article/view/12016