Hindi , A. M. ., and Mohammad Yahia Masri. “Electrospinning Polyacrylonitrile Nanofibers”. International Journal of Applied Sciences: Current and Future Research Trends, vol. 13, no. 1, Apr. 2022, pp. 126-3, https://ijascfrtjournal.isrra.org/index.php/Applied_Sciences_Journal/article/view/1228.