Fuaidah N, Madlazim M, Agustini R. LEARNING DEVICE REQUIREMENT SCIENCE EDUCATION BY PROBLEM BASED LEARNING (PBL) TO INCREASE HIGH ORDER THINKING SKILLS JUNIOR HIGH SCHOOLS. J. penelitian. pendidik. sains [Internet]. 2020May21 [cited 2024May4];9(2):1797-803. Available from: https://journal.unesa.ac.id/index.php/jpps/article/view/7361