Polraksa, P., ., P. K., & Panasree , S. (2020). AN ANALYSIS OF GRATITUDE’S VALUES OF PEOPLE FROM TAI SONG DAM, THAKHAM SUB-DISTRICT, PHUNPIN DISTRICT, SURATTHANI PROVINCE. Journal of MCU Nakhondhat, 7(3), 26–37. retrieved from https://so03.tci-thaijo.org/index.php/JMND/article/view/241036