Short Communication Determination of Positional Isomers of Monoenoic Fatty Acids Separated From Seed Oils of Nicotiana tabacum L. and Nicotiana rustica. Pakistan Journal of Scientific & Industrial Research. 2008;51(3):147-149. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/659