Hyelasinda, Nzitiri, and Terrang, A.U. 2024. “Characterization of Subnormal Operators in C*-Algebra”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041) 8 (3A):8-15. http://journals.gjbeacademia.com/index.php/bimajst/article/view/746.