L. S. Hemapala and L. Wijewardene. Investigating the Influence of Management Factors on Labour Productivity of Tea Pluckers in the Ratnapura District of Sri Lanka. IIMFLPTPRDSL [Internet]. 2024 Jul. 27 [cited 2026 Jul. 28];:1-62. Available from: https://stm.bookpi.org/IIMFLPTPRDSL/article/view/15285