Volume & Issue: Volume 50, Issue 11, November 2021, Page 1-582 (part.4: Basic Sciences) 
| 1 | MIGRATION PARAMETERS OF SOARING BIRDS CROSSING WIND FARMS OF GABEL AL-ZEIT CORRIDOR ON THE RIFT VALLEY/RED SEA FLYWAY, EASTERN DESERT, EGYPT | |
| Page 367-389 | ||
| A. El Gebaly Osama; S. Soliman Sohail; M. Fouda Moustafa | ||
| 2 | UTILIZATION OF PARTIALLY DE-ALUMINATED METAKAOLIN SOLID WASTE AS A SOURCE OF SILICATE INSTEAD OF SAND IN PRODUCTION OF LIGHTWEIGHT BRICKS | |
| Page 391-412 | ||
| H. Abo El-Fotouh Gamal; طه محمد عبد الرزاق; A. Abdullah Nabil; F. Abdel Salam Noura | ||
| 3 | ISOLATION AND CHARACTERIZATION OF BIOSURFACTANTS FROM BACTERIAL STRAINS FOUND IN MARINE OIL POLLUTED-WATER SAMPLES | |
| Page 413-442 | ||
| G. Hassaan Mohammad; S. El-Sheshtawy Hoda; M. Khalil Naglaa; I. Hashem Ahmed | ||
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