Priyanath, H. M. S., Premaratne, S., Yoosuf, A., & Maurice, D. (2018). Technical Efficiency for Tea Smallholder Farmers under UTZ Certification System in Sri Lanka: A Stochastic Frontier Approach. SEISENSE Journal of Management, 1(2), 1-19. https://doi.org/10.5281/zenodo.1218820