Basuki, N., D. El-Ansary, S. Höfer, B. Dwiputra, and N. Nualnim. “The Validity and Reliability of the MacNew Heart Disease Health Related Quality of Life Questionnaire: The Indonesian Version”. Acta Medica Indonesiana, vol. 53, no. 3, Oct. 2021, p. 276, http://www.actamedindones.org/index.php/ijim/article/view/1808.