Zhangaziev, A.S., Nurbekov, S.I., Ziyaeva, G.K. and Tulubaev, J.S. 2014. Origin of cultivated species of tetraploid wheat. International Journal of Biology and Chemistry. 7, 2 (Dec. 2014), 57–60. DOI:https://doi.org/10.26577/2218-7979-2014-7-2-57-60.