Matéria-prima (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Matéria-prima" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

68^th place

56^th place

1britannica.com

40^th place

17^th place

4^th place

8^th place

18^th place

51^st place

2^nd place

4^th place

1books.google.com

3^rd place

6^th place

low place

low place

1web.archive.org

1^st place

1^st place

1worldstopexports.com

low place

low place

low place

low place

books.google.com (Global: 3^rd place; Portuguese: 6^th place)

Understanding materials science, p. 125, Rolf E. Hummel, Springer, 2004

britannica.com (Global: 40^th place; Portuguese: 17^th place)

«Materials processing». Consultado em 8 de fevereiro de 2018

doi.org (Global: 2^nd place; Portuguese: 4^th place)

dx.doi.org

Morgan, John W.; Anders, Edward (dezembro de 1980). «Chemical composition of Earth, Venus, and Mercury». Proceedings of the National Academy of Sciences of the United States of America. 77 (12): 6973–6977. Bibcode:1980PNAS...77.6973M. PMC 350422. PMID 16592930. doi:10.1073/pnas.77.12.6973

europa.eu (Global: 68^th place; Portuguese: 56^th place)

ec.europa.eu

European Commission, Raw materials, updated 26 March 2020, accessed 31 December 2020

harvard.edu (Global: 18^th place; Portuguese: 51^st place)

ui.adsabs.harvard.edu

Morgan, John W.; Anders, Edward (dezembro de 1980). «Chemical composition of Earth, Venus, and Mercury». Proceedings of the National Academy of Sciences of the United States of America. 77 (12): 6973–6977. Bibcode:1980PNAS...77.6973M. PMC 350422. PMID 16592930. doi:10.1073/pnas.77.12.6973

hurstwic.org (Global: low place; Portuguese: low place)

«Hurstwic: Iron Production in the Viking Age». www.hurstwic.org. Consultado em 17 de março de 2019

mii.org (Global: low place; Portuguese: low place)

«Mineral Information Institute - IRON ORE». 17 de abril de 2006. Consultado em 17 de março de 2019. Cópia arquivada em 17 de abril de 2006

nih.gov (Global: 4^th place; Portuguese: 8^th place)

ncbi.nlm.nih.gov

Morgan, John W.; Anders, Edward (dezembro de 1980). «Chemical composition of Earth, Venus, and Mercury». Proceedings of the National Academy of Sciences of the United States of America. 77 (12): 6973–6977. Bibcode:1980PNAS...77.6973M. PMC 350422. PMID 16592930. doi:10.1073/pnas.77.12.6973

web.archive.org (Global: 1^st place; Portuguese: 1^st place)

«Mineral Information Institute - IRON ORE». 17 de abril de 2006. Consultado em 17 de março de 2019. Cópia arquivada em 17 de abril de 2006

worldstopexports.com (Global: low place; Portuguese: low place)

Workman, Daniel (8 de dezembro de 2018). «Iron Ore Exports by Country». World's Top Exports (em inglês). Consultado em 17 de março de 2019