[ 发表于: Arab Universities Journal of Agricultural Sciences ]
高级检索
AGROVOC关键词

结果 1-6 的 6





[Khat phenomena Yemen: a socio-economical study in Taiz and Ibb governorates]

1995

Barakat, M.M. (Ain-Shams Univ., Cairo (Egypt). Faculty of Agriculture)

Egyptian Documentation and Information Centre for Agriculture - Egypt