GHOURABA, F., SEOUD, M. (2008). Some Set Matrix Systems. test, 32(1), 21-33. doi: 10.21608/djs.2008.152956
F.A.A. GHOURABA; M.A. SEOUD. "Some Set Matrix Systems". test, 32, 1, 2008, 21-33. doi: 10.21608/djs.2008.152956
GHOURABA, F., SEOUD, M. (2008). 'Some Set Matrix Systems', test, 32(1), pp. 21-33. doi: 10.21608/djs.2008.152956
GHOURABA, F., SEOUD, M. Some Set Matrix Systems. test, 2008; 32(1): 21-33. doi: 10.21608/djs.2008.152956