Hendronursito, Y., Amin, M., Sumardi, S. ., Marjunus, R. ., Clarasati, F., Birawidha, D. C., Muttaqqi, M. A. ., & Isnugroho, K. (2020). Processing of granite quarry solid waste into industrial high silica materials using leaching process with HCl concentration variation. Jurnal Riset Teknologi Pencegahan Pencemaran Industri, 11(2), 43–50. https://doi.org/10.21771/jrtppi.2020.v11.no2.p43-50