Syaiful, Irfan Aulia, Nabiilah Fadhiilah, Rizanita Zulfa Arafah, Arie Suciyana Sriyanto, and Atika Atika. 2024. “Gratitude Training: Improving Life Expectancy for People With Chronic Diseases”. Psikis : Jurnal Psikologi Islami 10 (2): 211-22. https://doi.org/10.19109/psikis.v10i2.24144.