Vardanyan, V. P., and S. R. Minasyan. 2007. “COMPREHENSIVE INVESTIGATIONS OF ANCIENT HYDROGRAPHIC NETWORK OF WATERSHEDS: (on the Pattern of Kasakh River Watershed)”. Proceedings of the YSU C: Geological and Geographical Sciences 41 (2 (213). Yerevan, Armenia:124-27. https://doi.org/10.46991/PYSU:C/2007.41.2.124.