Pongklang P. [Retracted Article] : Strengthen the production cost management of rice planting, the Ontai Rice Seed Center Community Enterprise in Sankamphaeng district, Chiang Mai [Area Based Development Research Journal, (2016), 8(3), 102-117] (in Thai). Area Based Dev. Res. J. [Internet]. 2020 Apr. 17 [cited 2024 Apr. 25];12(2):157. Available from: https://so01.tci-thaijo.org/index.php/abcjournal/article/view/241199