Morgun, V. V., O. O. Stasik, D. A. Kiriziy, O. G. Sokolovska-Sergiienko, and N. M. Makharynska. “Effects of Drought at Different Periods of Wheat Development on the Leaf Photosynthetic Apparatus and Productivity ”. Regulatory Mechanisms in Biosystems, Vol. 10, no. 4, Nov. 2019, pp. 406-14, doi:10.15421/021961.