WILLIAMS, W. S., NAHUNNARO, H., CHIMBEKUJWO I.B, AHMAD, A. STUDIES OF DISEASE INCIDENCE AND SEVERITY CAUSED BY CERCOSPORA LEAF SPOT ON DIFFERENT COWPEA (Vigna unguigulata L.Walp.) VARIETIES IN YOLA, ADAMAWA STATE, NIGERIA. BIMA [Internet]. 2023Aug.9 [cited 2024Sep.19];7(02. 1):38-47. Available from: http://journals.gjbeacademia.com/index.php/bimajst/article/view/454