Febrina, F., V. Lawalata, and Y. Ramli. “Factors Associated With Cognitive and Communication Delay in Children Aged 0 to 3 Years Using the Battelle-Developmental Inventory, 2nd Edition”. Paediatrica Indonesiana, Vol. 63, no. 4, Aug. 2023, pp. 282-9, doi:10.14238/pi63.4.2023.282-9.