แก้วนุ้ย ณัจยา, and วงศ์วนิชทวี เฉลิมเกียรติ. “Restaurant Management Problems under Certified Halal Food Standard in Three Southernmost Provinces of Thailand”. PAYAP UNIVERSITY JOURNAL 29, no. 1 (June 28, 2019): 155–164. Accessed April 26, 2024. https://so05.tci-thaijo.org/index.php/pyu/article/view/200122.