Achio S., Ameko E., Kutsanedzie F., & Alhassan S. (2012). Insecticidal effects of various neem preparations against some insects of agricultural and public health concern. International Journal of Research in BioSciences (IJRBS), 1(2), 11-19. Retrieved from http://www.ijrbs.in/index.php/ijrbs/article/view/49