Irawati, H. R., Afiyanti, Y. and Sudaryo, M. K. (2019) “Effects of a support group to self efficacy of breast cancer patients that receiving chemotherapy”, JKKI : Jurnal Kedokteran dan Kesehatan Indonesia, 10(3), pp. 246–254. doi: 10.20885/JKKI.Vol10.Iss3.art7.