| 1. | ANALYSIS AND EVALUATION OF INTERNAL COMBUSTION ENGINE LUBRICATING OILS AVAILABLE IN THE EGYPTIAN MARKET | |
| Pages 139-152 | ||
| E. R. Elashry; R. G. Abdel Hamied; R. M. Youssef | ||
| 2. | SOME ENGINEERING FACTORS INVOLVED IN IRRIGATION OF PEPPERMINT UNDER HYDROPONIC FARMING SYSTEM | |
| Pages 153-162 | ||
| A. Derbala; S. Abd Rabo; M. M. Amer | ||
| 3. | MODELING OF HYBRID SYSTEM WITH A SOLAR PV AND A HYDROGEN FUEL CELL | |
| Pages 163-176 | ||
| A. E. Eissa; A. S. Kassem; A. M. Zaineldin; A. I. Omara; S. G. Hemeda; A. E. Ahmed | ||
