WENSHI LIANG, YANHONG LIU, J. Y. . Evaluation of Tourism Industry Efficiency in Pearl River Delta and its Influencing Factors in the Context of Happiness Industry. CONVERTER, [S. l.], p. 664-673, 2021. DOI: 10.17762/converter.331. Disponível em: https://converter-magazine.info/index.php/converter/article/view/331. Acesso em: 5 may. 2024.