วิสุทฺโธ พ., and ตรีทรัพย์ เ. “THE ROLE OF ELDERLY PERSON IN COMMUNITY DEVELOPMENT IN SAIKHAW SUB-DISTRICT HUASAI DISTRICT NAKHON SI THAMMARAT PROVINCE”. Journal of Social Science and Cultural, vol. 2, no. 2, Feb. 2020, pp. 8-13, https://so06.tci-thaijo.org/index.php/JSC/article/view/240170.