TY - BOOK AU - Menon,Vidya Sagar AU - Guide:Gargav.V.P TI - Studies on the relative toxicity of some modern insecticides against bean aphid aphis craccivora koch. and its biology on different host plants. U1 - 632.7 PY - 1978/// CY - Jabalpur PB - Jawaharlal Nehru Krishi Vishwavidyalaya Jabalpur KW - Entomology ER -