Tuladhar, B., J. López-Bonilla, and R. López-Vázquez. “Identities for Harmonic Numbers and Binomial Relations Via Legendre Polynomials”. Kathmandu University Journal of Science, Engineering and Technology 13, no. 2 (October 8, 2018): 92-97. Accessed August 5, 2020. https://www.nepjol.info/index.php/KUSET/article/view/21287.