Correction: Optimal control strategies for a heroin epidemic model with age-dependent susceptibility and recovery-age

• Asaf Khan,
• Gul Zaman ,
• Roman Ullah,
• Nawazish Naveed

Affiliations

Asaf Khan

1. Department of Mathematics, University of Malakand, Khyber Pakhtunkhwa, Pakistan 2. Department of Mathematics, FATA University, Khyber Pakhtunkhwa, Pakistan

Gul Zaman

1. Department of Mathematics, University of Malakand, Khyber Pakhtunkhwa, Pakistan

Roman Ullah

3. Department of Computing, Muscat College, Muscat, Oman

Nawazish Naveed

4. Department of Information Technology, University of Technology and Applied Sciences, CAS Ibri, Oman