RAMESH, T, et al. “Drone-Based Foliar Nutrient Spray Improves Physiology, Nutrient Uptake and Yield of Greengram (Vigna Radiata)”. The Indian Journal of Agricultural Sciences, vol. 94, no. 12, Dec. 2024, pp. 1381–1384, https://doi.org/10.56093/ijas.v94i11.145145.