Iamsiri, Siriwan, Chairat Kimsawat, and Paporn Phuttitanakarn. 2024. “Digital Integrated Marketing Communication and Image that Affects the Consumers’ Purchase Decision of Fitness Services in Bangkok”. Rajapark Journal 18 (58). Bangkok, Thailand:63-78. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/271200.