Volume & Issue: Volume 50, Issue 4, April 2021, Page 1-450 (P.5:Economic Sciences, Law and Management Sciences:) 
| 1 | THE RELATIONSHIP BETWEEN UNIVERSITY LEADERSHIP AND IMPROVING PRODUCT QUALITY IN THE ENVIRONMENT OF AIN SHAMS UNIVERSITY | |
| Page 343-373 | ||
| Samah R. Abdel Kader; Atef A. Hassan; Osama M. Fared | ||
| 2 | STUDYING THE COST AND BENIFIT TO INCREASE THE ADDED VALUE OF THE ILEMENIT MINERAL EXTRACTED FROM THE EGYPTIAN BLACK SAND USING A SHREDDER | |
| Page 375-413 | ||
| Hanim A. Sayed; Amjad H. Abdel Rahman; Ahmed A. Ahmed; Souad S. Metwally; Abu Bakr A. Fahmy | ||
| 3 | ECONOMIC FEASIBILITY STUDY AS AN INPUT TO RATIONALIZE FISHERIES MANAGEMENT SYSTEMS | |
| Page 415-450 | ||
| Ahmed M. A. Shaaban; Tarek A. Hammad; Mahmoud A. Mahmoud | ||
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