Martirosyan, L.M., R.S. Sargsyan, A.A. Grigoryan, and Q.H. Harutyunyan. 2017. “RECREATIONAL ASSESSMENT OF HYPSOMETRIC ZONES OF THE NORTHERN ARMENIA: (SHIRAK, LORI, TAVUSH)”. Proceedings of the YSU C: Geological and Geographical Sciences 51 (3 (244). Yerevan, Armenia:189-94. https://doi.org/10.46991/PYSU:C/2017.51.3.189.