Upadana IPA, Rati NW, Gading IK. Online Learning Innovation: Topic of “Natural and Energy Resources” Using Powtown-Based Learning Video. International j.of Elementary Education [Internet]. 2021 Jun. 10 [cited 2025 Apr. 4];5(3):446-52. Available from: https://ejournal.undiksha.ac.id./index.php/IJEE/article/view/34780