Djufri, Elyas, and Insih Wilujeng. 2017. “The Influence of Science Subject Spesific Pedagogy (SSP) of Lab Work-Based Toward Science Process Skills of Students at SMPN 2 Tolitoli”. Jurnal Pendidikan Matematika Dan Sains 5 (2):125-33. https://doi.org/10.21831/jpms.v5i2.16669.