HermawanC. (2021). Exploring Obstacles and Solutions in the Implementation of Problem-Based Learning in Online Education: Eksplorasi Hambatan dan Solusi dalam Penerapan Problem-Based Learning pada Pembelajaran Daring. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora), 5(1), 79-90. https://doi.org/10.36526/santhet.v5i1.4607