Aeni N, Budiamin A, Muhtar F. Implementation of Learning Theory of Constructivism Perspective Jean Piaget (1896-1980) in PAI Learning at SDI Bilal Bin Robah Batulayar Village, Batulayar District. edumaspul [Internet]. 1Oct.2023 [cited 18May2024];7(2):5219-2. Available from: https://ummaspul.e-journal.id/maspuljr/article/view/7163