∂ (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "∂" in Chinese language version.

refsWebsite

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3web.archive.org

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3books.google.com

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books.google.com

Bhardwaj, R.S., Mathematics for Economics & Business 2nd: 6.4, 2005
Silverman, Richard A., Essential Calculus: With Applications: 216, 1989
Pemberton, Malcolm; Rau, Nicholas, Mathematics for Economists: An Introductory Textbook: 271, 2011

google.co.uk

books.google.co.uk

Gokhale, Mujumdar, Kulkarni, Singh, Atal, Engineering Mathematics I, p. 10.2 （页面存档备份，存于互联网档案馆）, Nirali Prakashan ISBN 8190693549.

tripod.com

jeff560.tripod.com

Aldrich, John. Earliest Uses of Symbols of Calculus. [16 January 2014]. （原始内容存档于2015-05-01）.

web.archive.org

Aldrich, John. Earliest Uses of Symbols of Calculus. [16 January 2014]. （原始内容存档于2015-05-01）.
Bowman, Elizabeth, Video Lecture for University of Alabama in Huntsville, 2014 [2016-03-08], （原始内容存档于2021-11-25）
Gokhale, Mujumdar, Kulkarni, Singh, Atal, Engineering Mathematics I, p. 10.2 （页面存档备份，存于互联网档案馆）, Nirali Prakashan ISBN 8190693549.

worldcat.org

Christopher, Essex. Calculus : a complete course. 2013: 682. ISBN 9780321781079. OCLC 872345701.

youtube.com

Bowman, Elizabeth, Video Lecture for University of Alabama in Huntsville, 2014 [2016-03-08], （原始内容存档于2021-11-25）