An On-Call Shift for Anaesthetist Rostering Problem (ARP): A Mathematical Model. - Norizal Abdullah; Masri Ayob; Nasser R. Sabar; Meng Chun Lam; Liu Chian Yong (IICAIET, 2023)

Optimization Techniques for Physician Scheduling Problem: A Systematic Review of Recent Advancements and Future Directions. - Norizal Abdullah; Masri Ayob; Meng Chun Lam; Nasser R. Sabar; Graham Kendall; Mohamad Khairulamirin Md Razali (IEEE Access, 2025)

Advancing Anaesthetist Rostering Quality: A Practical Approach Toward Fairness and Efficiency. - Norizal Abdullah; Masri Ayob; Meng Chun Lam; Nasser R. Sabar; Graham Kendall; Liu Chian Yong (IEEE Access, 2025)