Team, S. (2018). Generalized τ1τ2-Closed Sets in Ideal Bitopological Spaces: Chalongchai Klanarong, Chawalit Boonpok.
Thai Journal of Mathematics
,
16
(3), 563–575. Retrieved from https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/815