Kong, Xiao, Chaoqun Sun, Jiali Liu, and Junlong Chen. “The Optimal Proportion of State-Owned Shares in an Industry Chain”. Technological and Economic Development of Economy 28, no. 5 (September 19, 2022): 1502–1526. Accessed November 23, 2024. https://jau.vgtu.lt/index.php/TEDE/article/view/17155.