Manik, Y.B.S. et al. 2024. Hazard Identification, Risk Assessment and Control (HIRAC) on Water Solid Contents Determination at Environmental Chemistry Laboratory of President University. Jurnal Riset Teknologi Pencegahan Pencemaran Industri. 15, 2 (Nov. 2024), 94–102. DOI:https://doi.org/10.21771/jrtppi.2024.v15.no2.p94-102.