Nardin, Dmitry Sergeevich, Vitaly Mikhailovich Pomogaev, and Svetlana Aleksandrovna Nardina. 2015. “Prospects for Import Substitution of the Equipment in Forming Machine Utilization Systems in the Agriculture of Siberian Federal District”. International Journal of Economics and Financial Issues 5 (3S):320-25. https://mail.econjournals.com/index.php/ijefi/article/view/1761.