Tayebi, Afsoon, Farhad Farahvash, Bahram Mirshekari, Mehrdad Yarnia, and Alireza Tari-nejad. 2016. “The Effect of Salicylic Acid and Potassium Sulphate on Safflower (Carthamus Tinctorius) Yield under the Water Stress”. Journal of Research in Biology 6 (8), 2149-57. https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/434.