Muliantino, M. R., Qadri, N. Z., Afriyanti, E. ., & Sarfika , R. . (2024). Self-efficacy in increasing physical activity of coronary heart disease patients: a cross-sectional study. Jurnal Ners, 19(3), 371–377. https://doi.org/10.20473/jn.v19i3.51941