nurainy, niharoh, 		Oedjijono, Oedjijono, AND 		Maharning, Ardhini.
" Isolation and Characterization of Plant Growth Promoting Rhizobacteria from Ipomoea sp. Rhizospheres Growing in Iron Sand Soil" <em>BioEksakta : Jurnal Ilmiah Biologi Unsoed</em> [Online], Volume 2 Number 1 (29 April 2020)