KAVITHA.G, GOKULAKRISHNAN.J and BARANITHARAN.M (2019) “Bio-efficacy of argemonemexicana leaf extract fractions against tobacco caterpillar, spodopteraitura”, International Journal of Pharma and Bio Sciences, 10(2), pp. 118–123. doi: 10.22376/ijpbs.2019.10.2.b118-123.