2025. ANALYSIS OF THE ECONOMIC EFFICIENCY AND INFLUENCING FACTORS OF SHAN TUYET TEA PRODUCTION AMONG FARMING HOUSEHOLDS IN YEN BINH COMMUNE, THAI NGUYEN PROVINCE. Isagoge - Journal of Humanities and Social Sciences. 5, 1 (Nov. 2025), e276. DOI:https://doi.org/10.59079/isagoge.v5i1.276.