G. Gomathi Eswari , Dr.A.Rameshkumar. “A Generalized Sign Pattern Matrix”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 13, no. 03 (July 6, 2022): 78–87. Accessed August 12, 2025. https://turcomat.org/index.php/turkbilmat/article/view/12861.