Influence of the prime hard coking coal in stamp charge cokemaking: true or falseHari Prakash Tiwari, Vishwesh M. Shisani, Bhavendra Kumar Sahu, Rabindra Kumar Sabat and Damodar MittalMetall. Res. Technol., 117 4 (2020) 412DOI: https://doi.org/10.1051/metal/2020046