A.Kowsika, K.Menaga, D.Monisha, and B.Karthikprabu. “Smart Solar Powered Pesticide Sprayer for Agriculture”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 7, no. 1, July 2021, pp. 941-8, https://ijiarec.com/ijiarec/article/view/282.