Nomnumsab, Wongrawit. 2023. “The Development of Tourism Activity Standards in OTOP Nawatwiti Tourism Community Project to Connect Main Cities and Secondary Cities Tourist Routes: A Case of Ao Wat Mai Community, Nakhon Chaisri District, Nakhon Pathom Province”. Journal of Management Science Chiangrai Rajabhat University 18 (1):139-68. https://so03.tci-thaijo.org/index.php/jmscrru/article/view/265057.