Poophayang P. A STUDY OF SPIRITUAL AND RELIGIOUS PROCESSES IN STRENGTHENING THE IMMUNE SYSTEM OF THE ELDERLY. JMND [internet]. 2023 Jul. 23 [cited 2025 Dec. 6];10(7):90-6. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/270684