Geometric and harmonic means based priority dispatching rules for single machine scheduling problems Shafi Ahmad | Zahid Akhtar Khan | Mohammed Ali | Mohammad Asjad | Show more Shafi Ahmad https://orcid.org/0000-0002-2193-8984 India Jamia Millia Islamia Department of Mechanical Engineering,Faculty of Engineering and Technology Zahid Akhtar Khan India Jamia Millia Islamia Department of Mechanical Engineering,Faculty of Engineering and Technology, Mohammed Ali India Aligarh Muslim University Department of Mechanical Engineering Mohammad Asjad Jamia Millia Islamia Department of Mechanical Engineering,Faculty of Engineering and Technology Submitted: 2021-03-06 | Accepted: 2021-05-02 | Published: 2021-07-28 DOI: https://doi.org/10.4995/ijpme.2021.15217