LITVIN, Dmitriy, 		POPOVA, Svetlana, 		ZHUKOVA, Viktoriya, 		PUTRENOK, Ekaterina, AND 		NAROZHNAYA, Galina.
" Monitoring of the Parameters of Intra-Industrial Differentiation of the Primary Industry of the Traditionally Industrial Region of Southern Russia" <em>Journal of Advanced Research in Law and Economics</em> [Online], Volume 6 Number 3 (3 April 2017)