1.
Azizah R, Zaenuri Z, Kharisudin I. Problem-Solving Skill based on Self-Directed Learning Perspective with the Implementation of Problem-based Learning Assisted by Sie Sandra. UJMER [Internet]. 30Dec.2022 [cited 27Sep.2024];11(2):129-37. Available from: http://journal.unnes.ac.id/sju/ujmer/article/view/61585