พ้นภัย ร. The Effect of Mixed Market on the Decision Making Process of Fitness Centers in Nakhon Ratchasima Municipality. RMUTT J Hum Soc Sci [Internet]. 2017 Jun. 28 [cited 2024 Apr. 19];5(1):49-57. Available from: https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/189651