Manjhi, Pankaj Kumar, and Ninian Nauneet Kujur. “On Some Examples of Williamson Matrices”. Communications in Mathematics and Applications 14, no. 1 (May 9, 2023): 81–88. Accessed August 18, 2025. https://www.journals.rgnpublications.com/index.php/cma/article/view/2225.