M. I. Zainal, A. S. . Mappangile, and M. S. . Hadi Rivai, “SAFETY AND HEATH EVALUATION OF THE GAS EXPOSURE IN THE AREA OF EFFLUENT WATER TREATMENT PLANT (ETWP) OF PT. X”, PREPOTIF, vol. 6, no. 3, pp. 1478–1483, Dec. 2023.