MEASURING ECONOMIC EFFICIENCY OF SMALL TEA GROWERS OF ASSAM: A DUAL APPROACH USING SFA AND DEA. Phoenix: International Multidisciplinary Research Journal ( Peer reviewed High Impact Journal ), [S. l.], v. 4, n. 2, p. 304–311, 2026. DOI: 10.65009/yx8nn105. Disponível em: https://pimrj.org/index.php/pimrj/article/view/408.. Acesso em: 4 nov. 2026.