Jiang, J., and G. Hua. “RESEARCH ON THE COMPETITIVE STRATEGY OF ONLINE EDUCATION ENTERPRISES BASED ON LOTKA-VOLTERRA MODEL”. Chinese Journal of Social Science and Management, vol. 5, no. 2, Nov. 2021, pp. 61-73, https://so01.tci-thaijo.org/index.php/CJSSM/article/view/229014.