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[ 发表于: Arab Universities Journal of Agricultural Sciences ]

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Egyptian Documentation and Information Centre...

AGROVOC关键词

costs

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1995

Wahby, M.F. | Al-Suhaibani, S.A. (King Saud Uniiv., Riyadh (Saudi Arabia). Faculty of Agriculture)

segadoras-trilladoras costos costs moissonneuse batteuse arabie saoudite mathematical models modele mathematique modelos matematicos cout ...

Egyptian Documentation and Information Centre for Agriculture - Egypt

1996

Al-Kahtani, S.H. (King Saud Univ., Riyadh (Saudi Arabia). Faculty of Agriculture)

sugar costos costs importaciones import controls arabie saoudite programmation lineaire restriction a l'importation programacion lineal azucar cout ...

Egyptian Documentation and Information Centre for Agriculture - Egypt

AGRIS - 国际农业科技情报系统