Vol. 8 No. 8 (2018)

Articles

Eman Fathi Sharaf, Mai El-Deeb

258-264

Mode of Parasitism of the Antagonist Trichoderma Viride towards the Phytopathogen Alternaria Solani

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Yasser Ammar AL-Rawi, Mohammed Harith Imlus, Yusri Yusup, Sofri Bin Yahya

265-276

The Optimal Progressive Tax Policy to Reduced Vehicles Externalities

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