Che Mut, Nur Anis Izzati, et al. “Knowledge and Awareness of Breast Self-Examination Among Secondary School Girls in Seremban, Negeri Sembilan”. Asian Pacific Journal of Cancer Care, vol. 4, no. 2, Mar. 2019, pp. 39-43, doi:10.31557/apjcc.2019.4.2.39-43.