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 (May 2021), 96–100. DOI:https://doi.org/10.20473/jn.v16i1.22560.