Author

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Lyubomir Penev
Pensoft Publishers & Bulgarian Academy of Sciences, Sofia, Bulgaria
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13 articles by this author

Research Article
    doi: 10.3897/rio.3.e14059
 09-06-2017
 Unique: 1292  |  Total: 2047
Single-media Publication
    doi: 10.3897/rio.3.e14013
 08-06-2017
 Unique: 240  |  Total: 403
Project Report
    doi: 10.3897/rio.3.e13088
 05-04-2017
 Unique: 395  |  Total: 750
Guidelines
    doi: 10.3897/rio.3.e12431
 28-02-2017
 Unique: 1127  |  Total: 1943
Research Presentation
    doi: 10.3897/rio.3.e12265
 15-02-2017
 Unique: 380  |  Total: 654
Research Presentation
    doi: 10.3897/rio.2.e10617
 23-09-2016
 Unique: 603  |  Total: 994
Project Report
Updated version 2     doi: 10.3897/rio.2.e10445
 12-09-2016
 Unique: 561  |  Total: 1053
Policy Brief
    doi: 10.3897/rio.2.e9933
 20-07-2016
 Unique: 1129  |  Total: 1982
Project Report
    doi: 10.3897/rio.2.e9774
 06-07-2016
 Unique: 919  |  Total: 1710
Project Report
    doi: 10.3897/rio.2.e9390
 31-05-2016
 Unique: 1721  |  Total: 3043
Project Report
    doi: 10.3897/rio.2.e8458
 12-03-2016
 Unique: 1239  |  Total: 2216
PhD Project Plan
    doi: 10.3897/rio.2.e7757
 11-01-2016
 Unique: 1930  |  Total: 3549