Volume 57, Issue 130, July 2011, Pages 1-10
R.M. AL-KHATIB; M.R. YOUSEF; H.M. AL NAKHLI
Volume 56, Issue 127, October 2010, Pages 1-12
S.S.A. SHARAWI; M.R. YOUSEF; KH.Z. DOKHAN; A.N. AL-HOFUFY
Volume 56, Issue 127, October 2010, Pages 1-9
M.R. YOUSEF; R.M. AL-KHATIB; K.S. MAZLOUM; A. AL-SUKAYRAN; H.M. AL NAKHLI