Defi Susanti Duha, Defi Yanti Hulu, and Leni Marlina Laia. “DEVELOPMENT OF STUDENT WORK SHEET BASED ON CONTEXTUAL TEACHING AND LEARNING ON COLLECTED MATERIALS”. Afore : Jurnal Pendidikan Matematika, Vol. 2, no. 1, Feb. 2023, pp. 46 -58, https://mail.jurnal.uniraya.ac.id/index.php/Afore/article/view/766.