POOPHAYANG , P. . A STUDY OF SPIRITUAL AND RELIGIOUS PROCESSES IN STRENGTHENING THE IMMUNE SYSTEM OF THE ELDERLY. Journal of MCU Nakhondhat, Nakhon Si Thammarat, Thailand, v. 10, n. 7, p. 90–96, 2023. Disponível em: https://so03.tci-thaijo.org/index.php/JMND/article/view/270684. Acesso em: 7 dec. 2025.