Sarina S, Pasaribu M, Nurjannah N, Paramita I, Sani N kami. Development of Student Worksheets Based on HOTS Model Problem Based Learning to Improve Student Learning Outcomes. J. Innov. Phys. Educ. Res [Internet]. 2025 Oct. 31 [cited 2026 Apr. 18];1(2):57-66. Available from: https://ejournal.edukhatulistiwa.com/index.php/JIPER/article/view/295