K. Pradeepkumar, S. Akilan, M. Gobinath, D. Gowtham and M. Guruprasath 2021. Design and fabrication of portable solar operated chemical sprayer. International journal of intellectual advancements and research in engineering computations. 7, 2 (Aug. 2021), 2684–2688. DOI:https://doi.org/10.61096/ijiarec.v7.iss2.2019.2684-2688.