AbdullahiAhmed A., GaladimaNura S., and Safiya Sani. “SEED VIABILITY OF SOME COWPEA CULTIVARS AFFECTED BY SINGLE AND MIXED VIRUS INFECTIONS IN NIGER STATE, NIGERIA”. FUDMA JOURNAL OF SCIENCES 6, no. 1 (April 1, 2022): 168 - 174. Accessed May 3, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/888.