AlAdl, A. (2018). Investigating Validity, Reliability and Perception of English Language Placement Test: The Model of Delta University. test, 42(1), 15-40. doi: 10.21608/jfees.2018.79282
Abdelrahman E. AlAdl AlAdl. "Investigating Validity, Reliability and Perception of English Language Placement Test: The Model of Delta University". test, 42, 1, 2018, 15-40. doi: 10.21608/jfees.2018.79282
AlAdl, A. (2018). 'Investigating Validity, Reliability and Perception of English Language Placement Test: The Model of Delta University', test, 42(1), pp. 15-40. doi: 10.21608/jfees.2018.79282
AlAdl, A. Investigating Validity, Reliability and Perception of English Language Placement Test: The Model of Delta University. test, 2018; 42(1): 15-40. doi: 10.21608/jfees.2018.79282