Sangphachan K, Suksirisopon P, Somnuek P. Approaches for Improving Restaurant Service Quality for Lao Tourists, Nakhon Pakse, Champasak Province, the Lao People’s Democratic Repub. rpujournal [Internet]. 2022 Apr. 25 [cited 2024 May 16];8(1):125-41. Available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/260268