Tonkaz, T., Dogan, E., Kocygit, R. Impact of temperature change and elevated carbon dioxide on winter wheat (Triticum aestivum L. ) grown under semi-arid conditions. София: 2010 с. pg. 565-575,.
Tonkaz, T., Dogan, E., Kocygit, R. Impact of temperature change and elevated carbon dioxide on winter wheat (Triticum aestivum L. ) grown under semi-arid conditions. София: 2010 с. pg. 565-575,.
Tonkaz, T., Dogan, E., Kocygit, R. (2010) Impact of temperature change and elevated carbon dioxide on winter wheat (Triticum aestivum L. ) grown under semi-arid conditions, София: с. pg. 565-575,.
Tonkaz, T., Dogan, E., & Kocygit, R. (2010). Impact of temperature change and elevated carbon dioxide on winter wheat (Triticum aestivum L. ) grown under semi-arid conditions. София: с. pg. 565-575.
Tonkaz T, Dogan E, Kocygit R. Impact of temperature change and elevated carbon dioxide on winter wheat (Triticum aestivum L. ) grown under semi-arid conditions. София: 2010. p. с. pg. 565-575.