Scholarly Index
John C. Schumacher
Portland State University; 10,229 total citations; 95 total publications; best world rank #639
Portland State University
10,229Total citations
95Total publications
31H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| Mineralogy and Gemology Studies | Lifetime | 639 | US 178 | 91.30 |