Janah NR, Suyono S. Feasibility of Structured Assignment Sheet to Train The Ability to Draft a Frame of Mind in Solving Chemical Problems in Reaction Rate Materials. J. Sc. Edu. Research [Internet]. 2022 Sep. 23 [cited 2025 May 15];6(2):104-13. Available from: https://jurnal.uny.ac.id/index.php/jser/article/view/49440