Kumar, P., M. Shenhmar, and K. S. Brar. “Field Evaluation of Trichogrammatids for the Control of <I>Helicoverpa armigera</I> (Hubner) on Tomato”. Journal of Biological Control, vol. 18, no. 1, Jan. 2010, pp. 45-50, doi:10.18311/jbc/2004/4048.