Sugiyanta. and SeptiantiO. (2019) “Pupuk Hayati Bacillus sp. Meningkatkan Produktivitas Tanaman Karet (Hevea brasiliensis Muell Arg.)”, Buletin Agrohorti, 7(1), pp. 76-83. doi: 10.29244/agrob.v7i1.24421.