Pengembangan LKPD berbasis Problem Based Learning pada Materi Benzena dan Turunannya untuk Kelas XII SMA/MA: The Development of Problem Based Learning Student Worksheet on Benzene and Its Derivatives Materials for Grade XII of Senior High School. EPK [Internet]. 2023 Mar. 24 [cited 2026 Oct. 25];4(1):33-9. Available from: http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/315