Fuaidah, N., Madlazim, M. and Agustini, R. 2020. LEARNING DEVICE REQUIREMENT SCIENCE EDUCATION BY PROBLEM BASED LEARNING (PBL) TO INCREASE HIGH ORDER THINKING SKILLS JUNIOR HIGH SCHOOLS. JPPS (Jurnal Penelitian Pendidikan Sains). 9, 2 (May 2020), 1797–1803. DOI:https://doi.org/10.26740/jpps.v9n2.p1797-1803.