RAVI, I, F A KHAN, POONAM SHARMA-NATU, and M C GHILDIYAL. 2014. “Yield Response of Durum (Triticum Durum) and Bread Wheat (T. Aestivum) Varieties to Carbon Dioxide Enrichment”. The Indian Journal of Agricultural Sciences 71 (7). https://doi.org/10.56093/ijas.v71i7.39954.