BINJOLA, S., N. KUMAR, and G. MISHRA. “Differential Response of Cowpea (Vigna Unguiculata L. Genotypes to Native Rhizobia in Tarai Region of Uttarakhand, India”. Notulae Scientia Biologicae, vol. 6, no. 3, Sept. 2014, pp. 335-7, doi:10.15835/nsb639380.