Luas lingkaran (Indonesian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Luas lingkaran" in Indonesian language version.

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archive.org

Stewart, James (2003). Variabel tunggal transendental awal kalkulus (edisi ke-5th.). Toronto ON: Brook/Cole. hlm. 3. ISBN 0-534-39330-6. However, by indirect reasoning, Eudoxus (fifth century B.C.) used exhaustion to prove the familiar formula for the area of a disk: $A=\pi r^{2}.$

books.google.com

Heath, Thomas L. (2003), Manual Matematika Yunani, Courier Dover Publications, hlm. 121–132, ISBN 0-486-43231-9 .