Marviyani EA, Erman E. SOME CONSTRAINTS IN ACHIEVING SCIENCE PROCESS SKILLS (SPS) IN SECONDARY SCHOOL WATULIMO DURING THE COVID-19 PANDEMIC. Pensa E-Jur.: Pendidik. Sains [Internet]. 2021 Dec. 2 [cited 2025 Nov. 7];9(3):325-9. Available from: https://ejournal.unesa.ac.id/index.php/pensa/article/view/38707