@unpublished{ITNYREPOID3872,
       publisher = {ITNY},
           title = {Bukti review korespondensi: The influence of quartz content on modulus of elasticity and Poisson?s ratio in quartz sandstone},
          author = {Supandi Supandi},
             url = {https://repository.itny.ac.id/id/eprint/3872/}
}