Atawongsa, Sutheera, Nongnout Kanthachai, Surin Phithaksikul, Sirasit Siriwiwattanakul, and Jirapat Upatham. 2021. “he actors ffecting perational fficiency of ranchise ntrepreneurs in hiang ai rovince”. ournal of anagement cience hiangrai ajabhat niversity 16 (1), 149-73. https://so03.tci-thaijo.org/index.php/jmscrru/article/view/246472.