Amalia ER, Khoiriyati S. Effective Learning Activities To Improve Early Childhood Cognitive Development. Al-ATHFAL J EDUC CHILD [Internet]. 2018 Dec. 28 [cited 2025 Feb. 1];4(1):103-11. Available from: https://ejournal.uin-suka.ac.id/tarbiyah/alathfal/article/view/2018.41-07