Perceived Family Support: Emotional, Instrumental, Informational and Award Support in Maintaining the Health of the Elderly in Surabaya, Indonesia: a Descriptive Study . International Journal of Advanced Health Science and Technology [Internet]. 2023 Jun. 30 [cited 2025 Aug. 16];3(3):140-6. Available from: https://ijahst.org/index.php/ijahst/article/view/229