Li, Tianxiang, Tomas Baležentis, Lijuan Cao, Jing Zhu, Dalia Štreimikienė, and Rasa Melnikienė. “Technical Change Directions of China’s Grain Production: Application of the Bias-Corrected Malmquist Indices”. Technological and Economic Development of Economy 24, no. 5 (October 16, 2018): 2065-2082. Accessed November 24, 2024. https://transport.vgtu.lt/index.php/TEDE/article/view/5580.