Krutwaysho O, Yamma Y, Srina P, Julapan P, Wajanakhampee T, Treesuk W. Tourism Development Through the Service Marketing Concept from the Perspectives of Gen Y Tourism Travelling in Chiangmai During the Covid-19 Pandemic Crises. RJPJ [internet]. 2021 Jul. 15 [cited 2026 Sep. 29];15(41):242-58. available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/251262