Syamsidar S, Khaeruddin K, Helmi H. The Effectiveness of using Student Worksheets to Practice Science Process Skills on Hooke’s Law Material. jpppf [Internet]. 2021Jul.30 [cited 2026Apr.18];7(1):83 -90. Available from: http://103.8.12.212:33180/unj/index.php/jpppf/article/view/16381