ANALYSIS OF THE ECONOMIC EFFICIENCY AND INFLUENCING FACTORS OF SHAN TUYET TEA PRODUCTION AMONG FARMING HOUSEHOLDS IN YEN BINH COMMUNE, THAI NGUYEN PROVINCE. ISA [Internet]. 2025 Nov. 11 [cited 2026 Oct. 22];5(1):e276. Available from: https://www.telosjournals.com.br/ojs/index.php/isa/article/view/276