Priyanath HMS, Premaratne S, Yoosuf A, Maurice D. Technical Efficiency for Tea Smallholder Farmers under UTZ Certification System in Sri Lanka: A Stochastic Frontier Approach. Seisense J. Manag. [Internet]. 2018 Apr. 17 [cited 2025 Nov. 16];1(2):1-19. Available from: https://journal.seisense.com/jom/article/view/9