Hasan, Ayazul, Rafiq Uddin, and Mohd Hanzla. “On QTAG-Modules Containing Proper H-Purity”. International Journal of Maps in Mathematics 6, no. 2 (September 22, 2023): 150–159. Accessed November 23, 2024. https://simadp.com/journalmim/article/view/135.