BINJOLA, SONAM, and NARENDRA KUMAR. 2013. “RESPONSE OF COWPEA (VIGNA UNGUICULATA L.) GENOTYPES TO NATIVE SOIL RHIZOBIA FOR NODULATION, YIELD AND SOIL PROPERTIES”. The Bioscan 8 (Supplement 4):1441-44. https://thebioscan.com/index.php/pub/article/view/455.