User:Gabriel A. Álvarez N.
From Wikipedia, the free encyclopedia
Hi, I am a Venezuelan researcher and student. My last Username was Gabriel Ziegler.
Skills and expertise
Natural Science:
- Chemistry
- Physics
- Astrophysics
Social Science:
- Modern History
- Historical Analysis
- World History
- 20th Century History
- 19th Century History
- Contemporary History
- Early Modern History
- Medieval History
- Comparative History
- Ancient History
- Renaissance History
- Medieval Studies
- Geography
- Politics
- Cartography
- Demography
- Topography