international annual conference )cairo & the arab fertilizer association. (2003). proccedings of 9th international annual conference 28-30th january 2003-cairo. the arab fertilizer association.
Čikaški stil citiranja (17. izdanje)international annual conference )cairo i the arab fertilizer association. Proccedings of 9th International Annual Conference 28-30th January 2003-cairo. cairo: the arab fertilizer association, 2003.
MLA način citiranja (9. izdanje)international annual conference )cairo i the arab fertilizer association. Proccedings of 9th International Annual Conference 28-30th January 2003-cairo. the arab fertilizer association, 2003.
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