[1]
Zahid, M. et al. 2009. Determination of economic injury levels of <i>Helicoverpa armigera</i> (Hubner) in chickpea.
Bangladesh Journal of Agricultural Research
. 33, 4 (Apr. 2009), 555–563. DOI:https://doi.org/10.3329/bjar.v33i4.2288.