Anjum, S. I., Yousf, M. J., Ayaz, S., & Siddiqui, B. S. (2010) 'TOXICOLOGICAL EVALUATION OF CHLORPYRIFOS AND NEEM EXTRACT (BIOSAL B) AGAINST 3RD INSTARS LARVAE OF DROSOPHILA MELANOGASTER', Journal of Animal and Plant Sciences, 20(1), pp. 30-35.