Wulan Nur Hikmah, Siti Nurfaizah, Udi Mufrodi, Ulfah Marhamah, Ulfarizkina. Observation Report on Lack of Early Childhood Cognitive Development (Case Study on Students of Paud Darussalam and Paud Anggrek). dirosat [Internet]. 2025 Mar. 1 [cited 2025 Sep. 22];3(1):65-71. Available from: https://dirosat.com/index.php/i/article/view/99