Shahinfard, *Naser Samadi, Vahid. “Carbon Nanotube/Polypyrrole Composites As a Novel Solid Phase Microextraction Fiber Coating for the Preconcentration of N-Alkanes from Aqueous Media”. Journal of Biomedical and Pharmaceutical Research 2, no. 2 (April 29, 2013). Accessed January 20, 2025. https://jbpr.in/index.php/jbpr/article/view/414.