Buppunhasamai, Jiranun, Anongwan Upradit, and Sudawadee Meepettan. 2022. “Cost and Return of Tilapia Farming in Clay Pond in Ban Pao Subdistrict, Mueang District, Lampang Province”. PAYAP UNIVERSITY JOURNAL 32 (1):50-62. https://doi.org/10.14456/pyuj.2022.4.