Guyumjyan, H.P. 2015. “ORIGIN OF TOURMALINE GRANITOIDS OF MEGHRI PLUTON’S VANK INTRUSIVE MASSIVE”. Proceedings of the YSU C: Geological and Geographical Sciences 49 (2 (237). Yerevan, Armenia:9-15. https://doi.org/10.46991/PYSU:C/2015.49.2.009.