Mumtaza MF, Zulfiani Z. Development of Student Worksheets Based on Science Process Skills on Excretory System Concepts. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Jan. 31 [cited 2024 Jul. 23];9(1):265-72. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1474