Enkhbayar Jamsranjav, and Ishjantsan Gursuren. “MACRO-ECONOMIC IMPORTANCE OF COAL INDUSTRIES IN AUSTRALIA, CHINA AND MONGOLIA; THE EXAMINATION OF THE GREGORY EFFECT IN THE THREE COUNTRIES”. Journal of Business and Innovation 3, no. 3 (February 17, 2023): 16–26. Accessed October 23, 2024. https://journal.num.edu.mn/BusinessAndInnovation/article/view/2158.