Yousuf, M., S. Singh, M. Ikram, and S. Khan. “Biological Control of Eucalyptus Gall Wasp, Leptocybe Invasa Fisher & La Salle (Hymenoptera: Eulophidae) in Punjab, India”. Archives of Agriculture and Environmental Science, vol. 5, no. 2, June 2020, pp. 105-13, doi:10.26832/24566632.2020.050204.