Machado, Neiton Silva, et al. “REVIEW OF ALTERNATIVES FOR REMOVING HYDROGEN SULFIDE (H2S) FROM BIOGAS FROM ANAEROBIC FERMENTATION OF AGRICULTURAL WASTE AND ITS USES, BENEFITS AND ECONOMIC VIABILITY FROM 1969 TO 2010 – 40 YEARS OF RESEARCH”. Revista Ibero-Americana De Humanidades, Ciências E Educação, vol. 9, no. 3, Mar. 2023, pp. 190- 219, doi:10.51891/rease.v9i3.8879.