by Faituri, M.Y, El-Mahi, Y.E, El-Hassan, G.A
Published in Canadian journal of microbiology (01.09.2001)

by El-Hassan, G.A
Year of Publication 1991

by Mukhtar, N.O, El-Hassan, G.A
Published in Annual Report of the Gezira Research Station (Sudan) (01.12.1994)

by El-Hassan, G.A, Mukhtar, N.O
Published in Annual Report of the Gezira Agric. Research Station (Sudan) (01.02.1991)

by Abdel Galil K.E, El Hassan G.A
Published in Annual Reprot Kenana Research Station (1982)

by El Hassan, G.A, Zablotowicz, R.M, Focht, D.D
Published in Applied and Environmental Microbiology (01.03.1985)

by El-Hassan, G.A, Abu-Naib, S.A, Mukhtar, N.O
Published in Annual Report of the Gezira Agric. Research Station (Sudan) (01.02.1991)