1.
Sari MK, Hasirun LO, Nuswantari N, Alfia S. Optimalisasi Problem Based Learning Melalui Media Flipbook Digital untuk Mengakselerasi Kemampuan Berpikir Kritis Pelajaran IPS. J. Instr. Dev. Res. [Internet]. 2026Apr.30 [cited 2026May6];6(2):165-76. Available from: https://journal.iel-education.org/index.php/JIDeR/article/view/734