L. S. Hemapala & L. Wijewardene 2024. Investigating the Influence of Management Factors on Labour Productivity of Tea Pluckers in the Ratnapura District of Sri Lanka. Investigating the Influence of Management Factors on Labour Productivity of Tea Pluckers in the Ratnapura District of Sri Lanka. (Jul. 2024), 1–62. DOI:https://doi.org/10.9734/bpi/mono/978-81-977902-0-1.