อ่อนนุ่ม น.; จึงสุวดี ก.; คำผา ป. Service Quality of Mueang Ubon Ratchathani Agricultural Co-operatives. RMUTT Global Business and Economics Review, Pathum Thani, Thailand, v. 9, n. 2, p. 1–15, 2014. Disponível em: https://so03.tci-thaijo.org/index.php/RMUTT-Gber/article/view/242050. Acesso em: 7 dec. 2025.