Nelda N, Holiwarni B, Anwar L. Development of student worksheet based on MEA model of ionic equilibrium and pH of buffer solution for Senior High School. J. Pijar.MIPA [Internet]. 2022 Jan. 29 [cited 2024 Apr. 26];17(1):118-22. Available from: https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/2383