1.
Risyanti E, Lisdiana L, Isnaeni W. Implementation of Supplement Teaching Materials Based on Problem Based Learning to Improve Concept Mastery and Health Care Attitudes. JPE [Internet]. 30Jun.2022 [cited 9May2024];11(2):218-30. Available from: https://journal.unnes.ac.id/sju/jpe/article/view/52345