Mkrtchyan, H.H. and Mukhsy-Oveyan, G.A. 2007. STAGING OF DEPOSITS’ ECONOMIC ASSESSMENT AND ROUGH SHOWINGS OF EXPENSES IN THE EARLY STAGES OF MINERAL RESOURCES’ EXPLORATION. Proceedings of the YSU C: Geological and Geographical Sciences. 41, 1 (212) (Mar. 2007), 117–123. DOI:https://doi.org/10.46991/PYSU:C/2007.41.1.117.