Sitorus FR, Naibaho P, Silalahi WP. Experience, challenges, and engagement amidst pandemic: The online learning to onsite learning. J. Penelitian. Ilmu. Pend. [Internet]. 2023 Mar. 21 [cited 2025 May 15];16(1):13-21. Available from: https://jurnal.uny.ac.id/index.php/jpip/article/view/52298