MAR ATUS SOLIHAH, F.; BINTARO, T. Y. IMPLEMENTATION OF A PROBLEM-BASED LEARNING MODEL USING POP-UP BOOKS TO INCREASE STUDENTS’ MOTIVATION AND ACHIEVEMENT IN NATURAL SCIENCE SUBJECTS. Proceeding Internasional Conference on Child Education, [S. l.], v. 1, n. 1, p. 491–504, 2023. Disponível em: https://proceeding.unimar.ac.id/index.php/icce/article/view/51. Acesso em: 7 jul. 2025.