Objek mustahil (Indonesian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Objek mustahil" in Indonesian language version.

refsWebsite

Global rank Indonesian rank

low place

low place

1books.google.com

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419^th place

books.google.com

Barrow, John D (1999). Impossibility: The Limits of Science and the Science of Limits. Oxford University Press. hlm. 14. ISBN 978-0-19-513082-9.

doi.org

Penrose, LS; Penrose, R. (1958). "Impossible objects: A special type of optical illusion". British Journal of Psychology. 49 (1): 31–33. doi:10.1111/j.2044-8295.1958.tb00634.x. PMID 13536303.

fink.com

"Impossible Figures in Perceptual Psychology". Fink.com. Diakses tanggal 11 Februari 2014.

nih.gov

ncbi.nlm.nih.gov

Penrose, LS; Penrose, R. (1958). "Impossible objects: A special type of optical illusion". British Journal of Psychology. 49 (1): 31–33. doi:10.1111/j.2044-8295.1958.tb00634.x. PMID 13536303.

wolfram.com

mathworld.wolfram.com

"Impossible Fork". Wolfram Research. Diakses tanggal 10 February 2014.