Ahmadiyanti, Aulia Amalia, and Rusly Hidayah. 2021. “Eligibility of Student Worksheet (LKPD) Based on 5e Learning Cycle With Science Process Skills (SPS) on Acid-Base Material”. Chemistry Education Practice 4 (1):40-48. https://doi.org/10.29303/cep.v4i1.2393.