R. P. Guragain, H. B. Baniya, S. Dhungana, B. P. Pandey, U. M. Joshi, and D. P. Subedi, “Surface modification of polyamide by 50 Hz dielectric barrier discharge (DBD) produced in air at atmospheric pressure”, BIBECHANA, vol. 18, no. 1, pp. 19–25, Jan. 2021.