1.
Lubis RAN, Syahkira HP, Arditha AA, Sihombing N, Yus A, Yusnadi Y. The Use of Positive Reinforcement of the Clean Environment Theme in IPA Learning Motivation and Indonesian Language Class IV SDN 060886 Medan City. tematik [Internet]. 2025 Nov. 30 [cited 2026 Jul. 28];14(2):179-86. Available from: https://jurnal.unimed.ac.id/2012/index.php/tematik/article/view/69546