Chumphonwong, Tapanee, Narisara Pasitwilaitham, and Kingkaew Tistung. 2021. “Guidelines for Developing Informal Labors’ Quality of Life in Agriculture in Searm-Khwa Sub-District, Searmngam District, Lampang Province”. Journal of Humanities and Social Sciences Thonburi University 15 (3):97-107. https://so03.tci-thaijo.org/index.php/trujournal/article/view/249479.