Team, Support. “Generalized τ1τ2-Closed Sets in Ideal Bitopological Spaces: Chalongchai Klanarong, Chawalit Boonpok”. Thai Journal of Mathematics 16, no. 3 (December 1, 2018): 563–575. Accessed May 7, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/815.