Annamalai, C., J. Watada, and V. N. . Mishra. “Series and Summations on Binomial Coefficients of Optimized Combination”. The Journal of Engineering and Exact Sciences, vol. 8, no. 3, Apr. 2022, pp. 14123-01e, doi:10.18540/jcecvl8iss3pp14123-01e.