“ESTIMATION OF QUALITY APPROBATION OF ORE OF HANQAVAN MOLYBDENUM DEPOSITS”. Proceedings of the YSU C: Geological and Geographical Sciences 43, no. 1 (218) (April 20, 2009): 20–24. Accessed January 22, 2026. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol43_no1_2009_pp020-024.