Nihayati, H. E., Nurhanifah, L. and Krisnana, I. (2021) “The Effect of Psychoeducation on Self-Efficacy and Motivation for Taking Treatment in Breast Cancer Patients (Ca Mammae)”, Jurnal Ners, 16(1), pp. 96–100. doi: 10.20473/jn.v16i1.22560.