Yousefi, Najibullah, Laila Popalzai, and Hadia Jalal. “Investigation of Adjoint of Linear Transformation and Some Its Important Properties”. Journal for Research in Applied Sciences and Biotechnology 1, no. 4 (October 31, 2022): 163–165. Accessed November 24, 2024. https://jrasb.stallionpublication.com/index.php/jrasb/article/view/64.