Amudhambigai, B., G.K. Revathi, and K.A. Sunmathi. “A VIEW ON QUASI λ-OPEN M-SETS IN M-TOPOLOGICAL SPACES”. Italian Journal of Pure and Applied Mathematics 37 (July 31, 2017): 751–756. Accessed September 16, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/6757.