kadhem Abbas, R. (2005). using spe technique for studying bit performance for a selected well in south of iraq. , 10(5), 1022-1031.

Rafid kadhem Abbas. "using spe technique for studying bit performance for a selected well in south of iraq". , 10, 5, 2005, 1022-1031.

kadhem Abbas, R. (2005). 'using spe technique for studying bit performance for a selected well in south of iraq', , 10(5), pp. 1022-1031.

kadhem Abbas, R. using spe technique for studying bit performance for a selected well in south of iraq. , 2005; 10(5): 1022-1031.