Najib, Iqbal Ainun, Murni Sapta Sari, Utami Sri Hastuti, and Balqis Balqis. “Development of PBL-Based Lichens Diversity E-Module to Improve Students’ Problem-Solving Skills”. Edubiotik : Jurnal Pendidikan, Biologi dan Terapan 8, no. 02 (December 31, 2023): 106-117. Accessed July 22, 2024. http://ejurnal.budiutomomalang.ac.id/index.php/edubiotik/article/view/3465.