Mkrtchyan, H. H. and Avetisyan, A. A. (2009) “ESTIMATION OF QUALITY APPROBATION OF ORE OF HANQAVAN MOLYBDENUM DEPOSITS”, Proceedings of the YSU C: Geological and Geographical Sciences. Yerevan, Armenia, 43(1 (218), pp. 20–24. doi: 10.46991/PYSU:C/2009.43.1.020.