Simanjutak MP, Marpaung N, Hutahaean J, Panggabean BM, Purba CM, Mustafa A. STUDENT WORKSHEET BASED on PROBLEM ASSISTED by COMPUTER SIMULATION on STUDENTS CRITICAL THINKING SKILLS. JPF Unimed [Internet]. 2019 Dec. 27 [cited 2025 Jun. 7];8(2):126-34. Available from: https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/14489