Practices Used in the Promotion of Books : A survey study of the Egyptian publishing houses

Helal, D. R. (2016). Practices Used in the Promotion of Books : A survey study of the Egyptian publishing houses. International Journal of Library and Information Sciences, 3(4), 221-285. doi: 10.21608/ijlis.2016.70302

Dr. Raof Helal. "Practices Used in the Promotion of Books : A survey study of the Egyptian publishing houses". International Journal of Library and Information Sciences, 3, 4, 2016, 221-285. doi: 10.21608/ijlis.2016.70302

Helal, D. R. (2016). 'Practices Used in the Promotion of Books : A survey study of the Egyptian publishing houses', International Journal of Library and Information Sciences, 3(4), pp. 221-285. doi: 10.21608/ijlis.2016.70302

Helal, D. R. Practices Used in the Promotion of Books : A survey study of the Egyptian publishing houses. International Journal of Library and Information Sciences, 2016; 3(4): 221-285. doi: 10.21608/ijlis.2016.70302