Wang, Lai Wang, Thanh Tuyen Tran, and Nhu Ty Nguyen. 2014. “Analyzing Factors to Improve Service Quality of Local Specialties Restaurants: A Comparison With Fast Food Restaurants in Southern Vietnam”. Asian Economic and Financial Review 4 (11):1592-1606. https://archive.aessweb.com/index.php/5002/article/view/1292.