Sakolnakorn, Thongphon Promsaka Na, Suranart Khamanarong, Kimaporn Khamanarong, and Virasit Imtawil. 2008. “Causal Variables Affecting Rural Industry Outsourcing In Northeast Thailand”. International Business & Economics Research Journal (IBER) 7 (7). https://doi.org/10.19030/iber.v7i7.3272.