A. Mohammed, A., عامر, S. W. Askandar, and صبیح. “I-Open Sets in Bitopological Spaces”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 12, no. 1, June 2025, pp. 13-23, https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19753.