Latipah, Rina, Retno Iswari, and Siti Bintari. “Problem Based Module Development As Preparation for Selection of Science Olympicers in Biology Field”. Journal of Innovative Science Education 10, no. 3 (December 6, 2021): 325-338. Accessed June 26, 2024. https://journal.unnes.ac.id/sju/jise/article/view/45541.