Salsabila V, Suyono S. Development of Structured Assignment Sheet on Reaction Rate Materials To Train Problem-Solving Skills. Chem.Educ.Pract [Internet]. 2021 Aug. 14 [cited 2024 Jul. 22];4(2):113-20. Available from: https://jurnalfkip.unram.ac.id/index.php/CEP/article/view/2311