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), pp. 2684–2688. doi: 10.61096/ijiarec.v7.iss2.2019.2684-2688.