Nilawarti, Fitriah, Anwar, K., Wati, E.S. and Mardiana 2024. Simple Experimental Methods for Early Childhood Cognitive Development: Metode Eksperimen Sederhana untuk Perkembangan Kognitif Anak Usia Dini. Indonesian Journal of Education Methods Development. 19, 2 (May 2024), 10.21070/ijemd.v19i2.951. DOI:https://doi.org/10.21070/ijemd.v19i2.951.