Efforts to Improve Female Adolescents’ Knowledge of Breast Self-Examination (BSE) through Health Promotion Activities at Trisakti Junior High School, Lubuk Pakam. JURNAL PENGMAS KESTRA (JPK), [S. l.], v. 5, n. 2, p. 276–281, 2025. DOI: 10.35451/4fvv2042. Disponível em: https://ejournal.medistra.ac.id/index.php/JPK/article/view/3319. Acesso em: 6 jan. 2026.