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Hadhramout University Journal of Natural & Applied Sciences

Hadhramout University Journal of Natural & Applied Sciences

Volume 17, Issue 2 (2020)

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On n Satisfying, n Dividing φ(n)σ(n)+1
Hussain Abdulkader Al-Aidroos

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Taxonomical Study of Plant Species in Wadi Awaj (Al-Lasab) at Coastal Region of Hadramout – Yemen
Mahroos Abdulla Ba-Hawerith, Mohammed Saeed Bin Qadim, Murad Mohammed Kanji, Dhekra Abdulla Maqram, and Hassan Pyar Ali

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The Effect of Climate Change on the Water Reserve in Wadi of Hadhramout
Jamal A. Abbad, Khaled S. Bawahidi, and Mohamed A. Bawadi