Chaeruman UA, Maudiarti S. Quadrant of Blended Learning: a Proposed Conceptual Model for Designing Effective Blended Learning. JPI [Internet]. 2018Feb.21 [cited 2024Apr.20];1(1):1 -5. Available from: https://journal.unj.ac.id/unj/index.php/jpi/article/view/5924