S. R, SREENA, DR. SATHEESH E. N, and DR.VARUGHESE MATHEW. “REVIEW OF WπGR CLOSED SETS IN TOPOLOGICAL SPACES”. JOURNAL OF ADVANCES IN MATHEMATICS 23 (April 6, 2024): 70–73. Accessed December 22, 2024. https://rajpub.com/index.php/jam/article/view/9600.