1.
Hanipah S, Florentinus TS, Rifai RC A. The Effectiveness of Problem Based Learning and Project Based Learning Model to Improve Natural Science Study Outcomes. IJCET [Internet]. 31Jul.2018 [cited 3Jul.2024];7(1):1-. Available from: https://journal.unnes.ac.id/sju/ujet/article/view/24383