ALmasarweh, M. S. Y. and Rawashdeh, A. M. (2016) “The Effect of Using Six Sigma Methodologies on the Quality of Health Service: A Field Study At Prince Hashem Hospital /City of Aqaba”, Journal of Social Sciences (COES&RJ-JSS), 5(3), pp. 396–407. doi: 10.25255/jss.2016.5.3.396.407.