Lukitasari, Mifetika, and Ulfia Fitriani Nafista. “Patient’s Knowledge, Gender, and Physical Activity Level As the Predictors of Self-Care in Heart Failure Patients”. Healthcare in Low-resource Settings 11, no. s1 (February 9, 2023). Accessed October 28, 2024. https://www.pagepressjournals.org/hls/article/view/11179.