“Education On Breast Self Examination (SADARI) As Early Detection of Breast Cancer in Adolescent Girls at SMP Negeri 3 Lubuk Pakam”. JURNAL PENGMAS KESTRA (JPK) 5, no. 1 (June 30, 2025): 27–32. Accessed December 3, 2025. https://ejournal.medistra.ac.id/index.php/JPK/article/view/2806.