Pramod Kumar, Amrita, Yogesh Kumar, Lalit Kumar, and Kiran Pal. “Total Ionization Cross Sections Due to Electron Impact of Ammonia from Threshold to 10 MeV”. International Journal of Engineering and Management Research, vol. 12, no. 3, June 2022, pp. 195-8, doi:10.31033/ijemr.12.3.29.