Author = Osama M. Frag
| Number of Articles: 1 | ||
| 1 | COST ANALYSIS IN PRIVATE SCHOOLS EDUCATION TO IMPROVE THE APPLICATION OF ENVIRONMENTAL ACTIVITIES - APPLIED STUDY | |
| Volume 45, Issue 2, March 2019, Page 415-436 | ||
| Marian K. Azmy; Amr H. Abdel Bar; Osama M. Frag; Hoda I. A. Helal | ||
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