| 1. | Introduction Issue | |
| Pages 1-21 | ||
| 2. | Advanced knowledge services provided by national libraries in a knowledge society | |
| Pages 23-76 | ||
| Dina Adel Elsayed | ||
| 3. | A Comprehensive Literature Review on Data Science Researches throughout the Period from 2008 to 2018 in IEEE Database | |
| Pages 77-103 | ||
| Ahmed I Shahin; Ahmed Wafaa Hamdy | ||
| 4. | Ergonomics: Definition and Genesis | |
| Pages 105-154 | ||
| Asmaa Mahmoud Joudeh Said; Maha Ahmed Mohamed | ||
