Fatkhurrahman, J. A. (2020) “DOAS Calibration Technique for SO2 Emission Measurement Based on H2SO4 and Na2SO3 Reaction”, Jurnal Riset Teknologi Pencegahan Pencemaran Industri, 11(1), pp. 36–45. doi: 10.21771/jrtppi.2020.v11.no1.p36-45.