来源:Veterinary World , 2008
作者:
关键词:FMD;economic impact;...
使用许可:Unknown
来源:Veterinary World , 2008
作者:
关键词:FMD;economic impact;...
使用许可:Unknown
来源:Virology Journal , 2011
作者:
关键词:influenza;testing;...
使用许可:Unknown
4 The expenditure and foreign revenue impact of international students on the South African economy [期刊论文]
来源:Journal of Economic and Financial Sciences , 2011
作者:Naum Aloyo, Arnold Wentzel
关键词:export of education;international students;...
使用许可:Unknown
来源:Sustainability , 2021
作者:Carlos Jerónimo;Álvaro Dias;Renato Lopes da Costa;等
关键词:economic impact;event evaluation;...
使用许可:Unknown
来源:Sustainability , 2017
作者:Jose Maria Sumpsi Viñas, Christian Franco-Crespo
关键词:agricultural policy;economic impact;...
使用许可:Unknown