Hadi S. Studies on the Implied Effectiveness of Online Learning Systems in IAIN Ponorogo. JQAIE [Internet]. 2021 Jun. 25 [cited 2026 Feb. 10];1(1):41-50. Available from: https://iainsorong.ac.id.203-175-8-151.cpanel.site/e-jurnal/index.php/jqaie/article/view/392