nurainy, n., Oedjijono, O., & Maharning, A. (2020). Isolation and Characterization of Plant Growth Promoting Rhizobacteria from Ipomoea sp. Rhizospheres Growing in Iron Sand Soil. BioEksakta : Jurnal Ilmiah Biologi Unsoed, 2(1), 138-145. doi:10.20884/1.bioe.2020.2.1.1845