Lemma, M., Muche, A. A. and Tekalign, W. (2021) “Our Interesting Journey with The Fascinating Mathematics of the Closed-form Formula of Riemann zeta and eta functions”, GPH - International Journal of Mathematics, 4(02), pp. 01-10. Available at: https://gphjournal.org/index.php/m/article/view/371 (Accessed: 14April2024).