Poomarporn, O.- anong, Khanachareon, A., & Theppisai, U. (1997). Breast Self-Examination : Knowledge and Performance in Cli macteric Women. Thai Journal of Obstetrics and Gynaecology, 9(3), 225–228. retrieved from https://he02.tci-thaijo.org/index.php/tjog/article/view/257252