Sonsri, Gamolporn. “The Collaborative Approach in Service Delivery of Public Health and Environment Division : A Proposal for Ubon Ratchatani Metropolitan Municipality, Thailand”. Journal of Social Development and Management Strategy 8, no. 2 (February 11, 2015). Accessed April 28, 2024. https://so04.tci-thaijo.org/index.php/jsd/article/view/31161.