Chumphonwong, T., Pasitwilaitham, N. and Tistung, K. 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 (May 2021), 97–107.