Maghfuroh, L. , Salimo, H. , Qadrijati, I. and Subiyanto, A. 2023. Early Childhood Education Teachers in Indonesia: Validity and Reliability of Preschool Child Development Surveillance Instruments . Migration Letters. 20, 8 (Nov. 2023), 1079–1089. DOI:https://doi.org/10.59670/ml.v20i8.5740.