Petruentong, O. and Piyaweero (Asim), P.E. 2024. IMPROVING THE QUALITY OF LIFE OF THE ELDERLY AT BAN LAM NAO SUBDISTRICT ADMINISTRATIVE ORGANIZATION, BANG KHAN DISTRICT, NAKHON SI THAMMARAT PROVINCE. Journal of MCU Nakhondhat. 11, 7 (Jul. 2024), 174–180.