Gul, Hamid, Riaz A. Khattakb, and Dost Muhammad. “Yield and Chemical Composition of Tobacco Leaves of Different Cultivars As Affected by Four Levels of Potassium Chloride”. Biological Sciences - PJSIR 49, no. 2 (April 24, 2006): 125–133. Accessed November 24, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1133.