Kerdpitak, C., C. Thongrawd, N. Maneesawangwong, and M. Junktanasombut. “What Determine the Innovation Performance of Sports SMEs in Thailand?”. Journal of Human Sport and Exercise, vol. 14, no. 5proc, Dec. 2019, pp. S2330-S2338, https://www.jhse.ua.es/article/view/2019-v14-n5-proc-innovation-performance-sports-smes-thailand.