Qaraqechichian, H. M., Elbakian, Z. G. and Navasardyan, I. A. (2006) “ESTIMATION OF CLIMATIC CONDITIONS INFLUENCING ON PRODUCTIVITY”, Proceedings of the YSU B: Chemical and Biological Sciences, 40(3 (211), pp. 94–99. doi: 10.46991/PYSU:B/2006.40.3.094.