“The Effect of Problem-Based Inductive Learning Strategies on Students’ Motivation and Learning Outcomes in the Biology Learning Assessment Course, Biology Education Study Program, STKIP-PI Makassar”. Celebes Biodiversitas, vol. 1, no. 1, Jan. 2018, pp. 19-25, https://ojs.unpatompo.ac.id/index.php/cb/article/view/566.