Keywords = books 'sign
| Number of Articles: 1 | ||
| 1 | Concerts organized to sign books in Egypt since its inception to now: analytical study and measure the impact on sales | |
| Volume 2, Issue 2, April 2015, Page 304-347 | ||
| Magdy Abdel Gawad El Gaky | ||
| Number of Articles: 1 | ||
| 1 | Concerts organized to sign books in Egypt since its inception to now: analytical study and measure the impact on sales | |
| Volume 2, Issue 2, April 2015, Page 304-347 | ||
| Magdy Abdel Gawad El Gaky | ||
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