Sumarni, S., W. D. Andika, F. Utami, M. Rantina, Y. Sazaki, R. T. Astika, B. Rahardja, N. Kurnia, N. Priyanti, and Rosita Wondal. “Development Of ICT- Based Early Childhood Concept Teaching Book To Increase Pedagogic Competence For College Students Of PGPAUD”. Opción 350 (October 19, 2019): 1332-1350. Accessed January 26, 2026. https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/32465.