Publisher RDF
pages:- Agricultural Experiment Station, University of Puerto Rico-Mayaguez
- AIP Publishing
- AME Publishing Company
- American Association for Cancer Research (AACR)
- American Association for the Advancement of Science (AAAS)
- American Chemical Society
- American Chemical Society (ACS)
- American Dairy Science Association
- American Physical Society (APS)
- American Psychiatric Association Publishing
- American Psychological Association
- American Psychological Association (APA)
- American Scientific Publishers
- American Society for Clinical Investigation
- American Society for Microbiology
- American Society of Civil Engineers (ASCE)
- American Society of Clinical Oncology (ASCO)
- American Society of Parasitologists
- American Society of Tropical Medicine and Hygiene
- Asociacion Española de Economia Agraria
- Bentham Science Publishers Ltd.
- BirdsCaribbean
- BMJ
- CAB International
- Cambridge University Press (CUP)
- Canadian Science Publishing
- Centro de Investigaciones Comerciales e Iniciativas Academicas
- Ediciones Norte
- Editorial Cigarra
- Editorial Pontificia Universidad Javeriana