Friansah D, S AE, Mandasar N. DEVELOPMENT OF STUDENT WORKSHEET BASED ON DISCOVERI LEARNING ON TRIGONOMETRIC MATERIALS FOR SENIOR HIGH SCHOOL AT LUBUKLINGGAU CITY. ICDESS [Internet]. 2022 Nov. 23 [cited 2024 Dec. 3];1(1):32-8. Available from: https://prosiding.appipgri.id/index.php/icdess/article/view/6