Gupta, Pankaj, et al. “Air Flow Characteristics of an Air-Assisted Sprayer through Horizontal Crop Canopy”. International Journal of Agricultural and Biological Engineering, vol. 5, no. 1, Mar. 2012, pp. 1-6, https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/445.