cendikia busrayuza and S. Diliarosta, “DEVELOPMENT OF INTEGRATED SCIENCE STUDENT WORKSHEETS BASED ON A CONTEXTUAL APPROACH ON GLOBAL WARMING MATERIALS FOR CLASS VII SMP DEVELOPMENT OF INTEGRATED SCIENCE STUDENT WORKSHEETS BASED ON A CONTEXTUAL APPROACH ON GLOBAL WARMING MATERIALS FOR CLASS”, universe, vol. 3, no. 1, pp. 51-56, Jul. 2022.