MUTTAQIN, Ainul. Application Of Problem Based Learning (PBL) Model To Increase Students ' Learning Motivation In The Material of Life Diversity Class X SMA Muhammadiyah 1 Gresik. Proceeding International Conference on Lesson Study, [S.l.], v. 1, n. 1, p. 24-31, oct. 2023. ISSN 3030-9115. Available at: <https://journal.umg.ac.id/index.php/icls/article/view/6499>. Date accessed: 22 july 2024. doi: http://dx.doi.org/10.30587/icls.v1i1.6499.