SINGH, Bhim Pratap.
 Screening and Characterization of Plant Growth Promoting Rhizobacteria (PGPR): An overview.
<strong>Bulletin of Environmental and Scientific Research</strong>, [S.l.], v. 4, n. 1-2, p. 1-2, july 2015.
ISSN 2278-5205.
Available at: &lt;<a href="http://besr.org.in/index.php/besr/article/view/45" target="_new">http://besr.org.in/index.php/besr/article/view/45</a>&gt;. Date accessed: 18 sep. 2025.