Commutativity for a certain class of rings. Abujabal, H.A.S.; Khan, M.A. — 1998 Georgian Mathematical Journal
On commutativity of one-sided s -unital rings. Abujabal, H.A.S.; Khan, M.A. — 1992 International Journal of Mathematics and Mathematical Sciences
Some commutativity theorems for s -unital rings with constraints on commutators. Abujabal, H.A.S.; Perić, V. — 1992 Publications de l'Institut Mathématique. Nouvelle Série
On commutativity theorems for rings. Abujabal, H.A.S.; Khan, M.S. — 1990 International Journal of Mathematics and Mathematical Sciences
An iteration technique and commutativity of rings. Abujabal, H.A.S.; Khan, M.S. — 1990 International Journal of Mathematics and Mathematical Sciences
A representation of bounded commutative BCK-algebras. Abujabal, H.A.S.; Aslam, M.; Thaheem, A.B. — 1996 International Journal of Mathematics and Mathematical Sciences