@unpublished{ITNYREPOID4073,
       publisher = {ITNY},
           title = {Bukti review korespondensi: A New Method of Coring in Coal Mine: Pressure?Holding and Continuous Coring Technology},
          author = {Supandi Supandi},
             url = {https://repository.itny.ac.id/id/eprint/4073/}
}