Manjhi, Pankaj Kumar, and Ninian Nauneet Kujur. “A Study on the Applications of Negacyclic Matrices in the Construction of Hadamard Matrices”. Communications in Mathematics and Applications, vol. 14, no. 5, Dec. 2023, pp. 1659-67, https://doi.org/10.26713/cma.v14i5.2477.