Usman, Khalid, Liu Zhiying, Shen Huayan, Jie Xin, and Jin Yujia. “The Study of Innovation and Absorptive Capacity of BRICS Countries by Using Multiple Regression Analysis”. International Journal of Innovation 10, no. 1 (March 17, 2022): 118–151. Accessed June 2, 2025. https://periodicos.uninove.br/innovation/article/view/20717.