1.
Siswanto DH, Andriyani. Analysis of the Need for Flip Worksheets Matrix PBL Models to Stimulate Critical Thinking Abilities. PJPK [Internet]. 2024Aug.22 [cited 2024Oct.7];24(1):91-9. Available from: https://ejournal.unis.ac.id/index.php/pelita/article/view/4781