CHENGMING, Xiao Wu. TRADE EFFICIENCY AND PROSPECTS: A STOCHASTIC FRONTIER GRAVITY MODEL OF CHINA’S TIMBER EXPORTS TO RCEP NATIONS. Contemporary Journal of Business and Entrepreneurship Research (CJBER), [S. l.], v. 6, n. 5, p. 1–7, 2023. Disponível em: https://zapjournals.com/Journals/index.php/cjber/article/view/1178. Acesso em: 5 jul. 2025.