ALKAN, M. Et Al. 2008. A generalization of projective covers. JOURNAL OF ALGEBRA , vol.319, no.12 , 4947-4960.

ALKAN, M., Nicholson, W. K., & ÖZCAN, A., (2008). A generalization of projective covers. JOURNAL OF ALGEBRA , vol.319, no.12, 4947-4960.

ALKAN, MUSTAFA, W. Keith Nicholson, And AYŞEN ÖZCAN. "A generalization of projective covers," JOURNAL OF ALGEBRA , vol.319, no.12, 4947-4960, 2008

ALKAN, MUSTAFA Et Al. "A generalization of projective covers." JOURNAL OF ALGEBRA , vol.319, no.12, pp.4947-4960, 2008

ALKAN, M. Nicholson, W. K. And ÖZCAN, A. (2008) . "A generalization of projective covers." JOURNAL OF ALGEBRA , vol.319, no.12, pp.4947-4960.

@article{article, author={MUSTAFA ALKAN Et Al. }, title={A generalization of projective covers}, journal={JOURNAL OF ALGEBRA}, year=2008, pages={4947-4960} }