Ongati, O., Okwany, I. Okelo, O,. “Properties of Operators in Norm-Attainable Algebras and Their Applications”. AFRICAN JOURNAL OF SCIENCE, TECHNOLOGY AND ENGINEERING (AJSTE) 2, no. 1 (November 8, 2022): 42-58. Accessed October 25, 2025. http://41.89.246.21/index.php/library1/article/view/103.