nurainy, n., 		Oedjijono, O., & 		Maharning, A.
2020 Apr 29.  Isolation and Characterization of Plant Growth Promoting Rhizobacteria from Ipomoea sp. Rhizospheres Growing in Iron Sand Soil. BioEksakta : Jurnal Ilmiah Biologi Unsoed. [Online] 2:1