Sarvate, Dinesh G., and Dinkayehu M. Woldemariam. “A Note on $GDD(1, N, N , 4;\lambda_{1},\lambda_{2})$”. Journal of Algebra Combinatorics Discrete Structures and Applications 9, no. 2 (April 30, 2022): 85–99. Accessed August 19, 2026. https://jacodesmath.com/index.php/jacodesmath/article/view/225.