Khondeejeerarat, Onsuwisa. “Perception of Integrated Marketing Communication Affecting Behavior in Using Services of Fitness Centers in Nakhon Pathom Province .”. Journal of Management Science Nakhon Pathom Rajabhat University 6, no. 1 (June 26, 2019): 271-284. Accessed August 11, 2020. https://so03.tci-thaijo.org/index.php/JMSNPRU/article/view/197903.