Warijan, W. et al. 2021. Nursing Care of Hypertension in the Elderly with a Focus on Study of Activity Intolerance in Dr. R. Soetijono Blora Hospital. Jurnal Studi Keperawatan. 2, 1 (Mar. 2021), 13–22. DOI:https://doi.org/10.31983/j-sikep.v2i1.6805.