Görkem ÖRÜK, and Nizamettin TURAN. “Gross Margin Analysis of Alfalfa (Medicago Sativa L.) Genotypes As Influenced By Sowing Dates”. ISPEC Journal of Agricultural Sciences, vol. 4, no. 4, Dec. 2020, pp. 747-55, doi:10.46291/ISPECJASvol4iss4pp745-753.