S. S. KANSARA and A. N. SABALPARA 2015. ASSESSMENT OF YIELD LOSS DUE TO NIGER (GUIZOTIA ABYSSINICA (L.F.) CASS.) LEAF SPOT CAUSED BY ALTERNARIA ALTERNATA (FR.) KEISSL. The Bioscan. 10, Supplement 4 (Nov. 2015), 1873–1876.