[1]
Ulfa, U. and Winata, A. 2021. Implementasi Model Problem Based Instruction terhadap Penguasaan Materi Hukum Newton dan Kecakapan Berpikir Kritis Siswa. SPEJ (Science and Physic Education Journal). 4, 2 (Jun. 2021), 82-90. DOI:https://doi.org/https://doi.org/10.31539/spej.v4i2.2422.