Retraction notice to “SIR model for the spread of COVID-19: A case study” [Operations Research Perspectives 10 (2023) 100265]

• Ayoob Salimipour,
• Toktam Mehraban,
• Hevi Seerwan Ghafour,
• Noreen Izza Arshad,
• M.J. Ebadi

Affiliations

Ayoob Salimipour

Department of Mathematics, Quchan University of Technology, Quchan, Iran; Corresponding author.

Toktam Mehraban

Department of Mathematics, Quchan University of Technology, Quchan, Iran

Hevi Seerwan Ghafour

Department of Biomedical Sciences, Cihan University-Erbil, Kurdistan Region, Iraq

Noreen Izza Arshad

Positive Computing Research Group, Institute of Autonomous Systems, Department of Computer & Information Sciences, Universiti Teknologi Petronas, 32610, Bandar Seri Iskandar, Perak, Malaysia

M.J. Ebadi

Department of Mathematics, Chabahar Maritime University, Chabahar, Iran; Section of Mathematics, International Telematic University Uninettuno, Corso Vittorio Emanuele II, 39, 00186, Rome, Italy; Corresponding author.