Kuntasen, S., Raktham, A., Chirinang, P., & Chaisakulkiet, U. (2021). GUIDELINES FOR THE DEVELOPMENT QUALITY OF LIFE FOR THE ELDERLY BY EDUCATIONAL INSTITUTIONS UNDER THE VOCATIONAL EDUCATION . Journal of MCU Nakhondhat, 8(9), 47–60. retrieved from https://so03.tci-thaijo.org/index.php/JMND/article/view/254989