1.
Diana. S E, Arnawa IM, Ratnawulan R. Development of Students’ Worksheets Based on Problem-Based Instruction (PBI) of Grade X Senior High School. IJEDS [Internet]. 17Jan.2020 [cited 21Nov.2024];2(1):30-3. Available from: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/230