Library Resources and Technical Services
Journal metrics
Annual Clarivate and SCImago indicators.
| Year | JCR | SJR | ||||
|---|---|---|---|---|---|---|
| IF | IF quartile | Rank (percentile) | SJR | SJR quartile | Rank (percentile) | |
| 2025 | 0.7 | Q3 | 32.0% | 0.248 | Q2 | 36.4% |
| 2024 | 1.0 | Q3 | 47.0% | 0.566 | Q1 | 66.5% |
| 2023 | 0.6 | Q3 | 37.4% | 0.286 | Q2 | 47.5% |
| 2022 | 0.5 | Q4 | 29.0% | 0.333 | Q2 | 53.9% |
| 2021 | 0.4 | Q4 | 62.6% | 0.206 | Q3 | 40.0% |
| 2020 | — | — | 0.342 | Q2 | 54.6% | |
| 2019 | — | — | 0.706 | Q1 | 77.1% | |
| 2018 | — | — | 0.663 | Q1 | 73.5% | |
Impact history
Annual SJR and Impact Factor trend.
SJRIF
Journal record
ISSN
0024-2527
country
UScoverage
1978-1979, 1981-1984, 1988-2025