Publisher RDF
pages:- Parlar Scientific Publications
- PeerJ Inc.
- Penn State University Press
- Pensoft Publishers
- Pergamon Press Inc, Tarrytown
- Physical Society of Japan
- Plaza y Valdés
- Plaza y Valdés; Gobierno del estado de SLP; Consejo Potosino de Ciencia y Tecnología
- Pleiades journals
- Polish ACAD Sciences Committee Metrology and Res Equipment
- Polish Academy of Sciences
- Polish Academy Sciences. Institute of Animal Reproduction and Food Research
- Politécnico Colombiano
- Polska Akademia Nauk
- Pontificia Universidad Católica de Chile
- Pontificia Universidad Catolica de Chile 1
- Pontificia Universidad Catolica de Chile, Escuela de Construccion Civil
- Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal
- Pontificia Universidad Católica de Chile. Facultad de Educación
- Pontificia Universidad Javeriana
- Portland Press Ltd
- Pós-Graduação em Educação da PUC-Rio
- Potificia Universidad Catolica de Chile
- Praise Worthy Prize S.r.l
- Princeps Editions
- Proceedings of Science (PoS)
- Professional Association for Cactus Development
- Publ by Int Soc for Optical Engineering, Bellingham
- Publ by Int Soc for Optical Engineering, Bellingham, WA, United States
- Public Health Services, US Dept of Health and Human Services