The mystery of Azhdahak, People. «azhdahak.com». Consultado el 8 de julio de 2017.
doi.org
dx.doi.org
Moreno-Sanchez, R.; Sayadyan, H.Y. (2005). «Evolution of the forest cover in Armenia». International Forestry Review7 (2): 113-127. ISSN1465-5489. doi:10.1505/ifor.2005.7.2.113.
Chataigner, C.; Gratuze, B. (2014). «New Data on the Exploitation of Obsidian in the Southern Caucasus (Armenia, Georgia) and Eastern Turkey, Part 1: Source Characterization». Archaeometry56 (1): 25-47. ISSN0003-813X. doi:10.1111/arcm.12006.
Moreno-Sanchez, R.; Sayadyan, H.Y. (2005). «Evolution of the forest cover in Armenia». International Forestry Review7 (2): 113-127. ISSN1465-5489. doi:10.1505/ifor.2005.7.2.113.
Chataigner, C.; Gratuze, B. (2014). «New Data on the Exploitation of Obsidian in the Southern Caucasus (Armenia, Georgia) and Eastern Turkey, Part 1: Source Characterization». Archaeometry56 (1): 25-47. ISSN0003-813X. doi:10.1111/arcm.12006.
si.edu
volcano.si.edu
«Ghegam Ridge». Smithsinian Institute, Global Volcanism Program. Consultado el 8 de julio de 2017.