Enkhbayar Jamsranjav, Ishjantsan Gursuren. MACRO-ECONOMIC IMPORTANCE OF COAL INDUSTRIES IN AUSTRALIA, CHINA AND MONGOLIA; THE EXAMINATION OF THE GREGORY EFFECT IN THE THREE COUNTRIES. JBAI [Internet]. 2023 Feb. 17 [cited 2024 Nov. 23];3(3):16-2. Available from: https://journal.num.edu.mn/BusinessAndInnovation/article/view/2158