Chatrine Sylvia, Angela A, Fandi Halim. Natural Science Thematic E-Learning Content Development at TK Santo Yoseph Medan. ABDIMAS [Internet]. 2022 Oct. 30 [cited 2024 Dec. 5];5(2):2340-7. Available from: https://journal.umtas.ac.id/index.php/ABDIMAS/article/view/2331