Suparwoto, Suparwoto. “APPEARANCE OF INPARI IR NUTRI ZINC AND INPARI 32 IN LEBAK SWAMP LAND IN PALEMBANG SOUTH SUMATRA”. AGRIEKSTENSIA, vol. 21, no. 1, July 2022, pp. 23-33, doi:10.34145/agriekstensia.v21i1.1840.