Sulaeman, Erwin. “Development and Validation of Emotional Learning in Online Classroom Environment Survey”. Salus Cultura: Jurnal Pembangunan Manusia dan Kebudayaan 1, no. 1 (June 30, 2021): 71–79. Accessed December 17, 2025. https://jurnal.kemenkopmk.go.id/index.php/saluscultura/article/view/13.