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]. 11 de noviembre de 2025 [citado 6 de septiembre de 2026];5(1):523-47. Disponible en: https://www.telosjournals.com.br/ojs/index.php/isa/article/view/276