C. Nanammal and K. Alli. “(1,2)- Delta Generalized -Closed Maps in Bitopological Spaces”. Journal of Computational Analysis and Applications (JoCAAA) 33, no. 06 (November 1, 2024): 1796–1807. Accessed April 3, 2025. https://eudoxuspress.com/index.php/pub/article/view/2141.