ARREERAK , P. ., and S. . KLINPONG. “A STUDY OF AGREEMENT FOR SPORT SPONSORSHIP FOR JUJITSU ASSOCIATION OF THAILAND”. Business Administration and Economics Review, vol. 19, no. 2, Aug. 2023, pp. 162-84, https://so15.tci-thaijo.org/index.php/bae/article/view/375.