Selvam, G, K Mathevan Pillai, and S K.Abirami. “Stochastic Frontier Production Function an Application of the Coconut Farms in Coimbatore District”. International Journal of Engineering & Technology 7, no. 2.33 (June 8, 2018): 1120–1122. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/17921.