Sahjat, S. et al. 2023. Pengembangan Bahan Ajar IPA Berorientasi High Order Thinking Skills dan Pendidikan Karakter Melalui Problem Based Learning. EDUKASI. 21, 1 (May 2023), 245–254. DOI:https://doi.org/10.33387/j.edu.v21i1.5843.