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Luangphakan, B., Siphanthong, B. and Keodouangkham, P. 2026. Factors Affecting Tea Prices for Farmers in Phongsaly District. Souphanouvong University Journal Multidisciplinary Research and Development . 12, 04 (Oct. 2026), 66–73. DOI:https://doi.org/10.69692/SUJMRD1204F66.