A. Mohammed, Amir, عامر, Sabeeh W. Askandar, and صبیح. 2025. “I-Open Sets in Bitopological Spaces”. AL-Rafidain Journal of Computer Sciences and Mathematics 12 (1):13-23. https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19753.