Sangnaimueang S, Cherdjirapong K. Guidelines for Developing Public Relations Efficiency of Nakhon Ratchasima Municipality, Nakhon Ratchasima Province . JRDI. RMU [Internet]. 2022 Mar. 23 [cited 2024 May 19];9(1):225-42. Available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/254671