Suciana D, Wathi AFD, Mabukin FAA, Sausan I, Wijayanti SW. Design of a Collaborative Learning Platform Based on Problem-Based Learning for Distance Education: A Preliminary Study. j. paedagog. penelit. pengemb. pendidik. [Internet]. 2025 Oct. 25 [cited 2026 Sep. 8];12(4):1100-13. Available from: https://e-journal.undikma.ac.id/index.php/pedagogy/article/view/17842