Jayakody S, Dishanka S. An Estimation of Technical Efficiency of Tea Smallholdings in Ratnapura District of Sri Lanka. JSDS [Internet]. 2020 Aug. 22 [cited 2026 Oct. 28];10(4(S):1-11. Available from: https://www.amhinternational.com/jsds/article/view/4272-an-estimation-of-technical-efficiency-of-tea-smallholdings-in-ratnapura-district-of-sri-lanka