Martani, E., S. Margino, D. Indradewa, and A. Supriyo. “Isolation and Selection of Rhizobium Tolerant to Pesticides and Aluminum from Acid Soils in Indonesia”. JOURNAL OF TROPICAL SOILS, vol. 16, no. 1, July 2013, pp. 47-54, doi:10.5400/jts.2011.v16i1.47-54.