Vol 18, No 1

	Land Suitability and Characterization Study of Soils, Natural Vegetation Cover in Wahat Elnukhila area, Northern Darfur State, Sudan Abass Mohamed Elhag Hamed, Motasim Hyder Abdelwahab, El Mamoun Haroun Osman 10.21013/jas.v17.n4.p4	PDF 1-19
	Influence of the Wavelength on the Series and Shunt Resistances of a Polycrystalline Silicon Solar Cell n+-p-p+ in Frequency Modulation Mountaga BOIRO, Amadou DIAO, Adama NDIAYE, Ibrahima TOURE, Senghane MBODJI 10.21013/jas.v18.n1.p2	PDF 20-31