Nirmala, R., Navamathavan, R., Park, S.-J., & Kim, H. (2014). Recent Progress on the Fabrication of Ultrafine Polyamide-6 Based Nanofibers Via Electrospinning: A Topical Review. Nano-Micro Letters, 6(2), 89-107. https://doi.org/10.1007/BF03353773