M. Zainol, I. R. Mazlan, C. Azizan, S. Misron, and R. Idris, “The effectiveness of early detection and intervention programme for 4-6 years old preschoolers with developmental delays in Malaysia”, JPB, vol. 18, no. Special Issue, pp. 62–77, Sep. 2025, doi: 10.37134/bitara.vol18.sp.7.2025.