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4bibliotecaCGIAR
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5Digital revistaSCIELO
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6Texto bibliotecaFAO IT
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7Digital revistaSCIELO
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8by Gamal,Rawia F., Abdelhady,Hemmat M., Khodair,Taha A., El-Tayeb,Tarek S., Hassan,Enas A., Aboutaleb,Khadiga A.
Published 2013Digital revistaSCIELO -
9by Damachi, U.G. (ed.), International Inst. for Labour Studies, Geneva (Switzerland) eng 27973, Routh, G. (ed.), Ali Taha, A.E. (ed.)
Published 1976Texto bibliotecaFAO IT -
10by Arif,M., Hayat,Z., Abd El-Hack,M.E., Saeed,M., Imran,H.M., Alowaimer,A.N., Saadeldin,I.M., Taha,A.E., Swelum,A.A.
Published 2019Digital revistaSCIELO