Grigoryan, M.A., and Ye.S. Manukyan. 2019. “EXISTING PROBLEMS OF VOGHJABERD LANDSLIDE EXPLORATION”. Proceedings of the YSU C: Geological and Geographical Sciences 53 (1 (248). Yerevan, Armenia:3-9. https://doi.org/10.46991/PYSU:C/2019.53.1.003.