Muzakkir, A. F., M. Amir, P. Kabo, K. Saleh, B. Bahar, A. F. Ghaznawie, F. A. Tandean, and I. Mappangara. “Global Longitudinal Strain and Global Circumferential Strain on Echo Heart Failure Score As 60-Days Readmission Predictor in Congestive Heart Failure Patients With Left Ventricle Systolic Dysfunction in Makassar City”. Nusantara Medical Science Journal, vol. 6, no. 1, Oct. 2021, pp. 18-32, doi:10.20956/nmsj.v6i1.14674.