Samarakoon, S. M. M., L. H. P. Gunarathne, and J. Weerahewa. “Estimating Technical Efficiency and Its Determinants in the Coconut Plantations: The Case of Kurunegala Plantations Limited, Sri Lanka”. CORD, Vol. 38, Mar. 2022, pp. 6-12, doi:10.37833/cord.v38i.447.