Калкулатор (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Калкулатор" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

6^th place

11^th place

1web.archive.org

1^st place

1^st place

1casio-intl.com

low place

6,242^nd place

1clockwiser.wordpress.com

low place

6,243^rd place

archive.org

Cortada, James. Before the computer. Princeton, New Jersey, Princeton Univertsity Press, 1993. ISBN 0-691-04807-X. с. 170.

casio-intl.com

History of CASIO's Electronic Calculator Business // Архивиран от оригинала на 2016-10-11. Посетен на 2013-01-09.

clockwiser.wordpress.com

Българските електронни калкулатори ЕЛКА

web.archive.org

History of CASIO's Electronic Calculator Business // Архивиран от оригинала на 2016-10-11. Посетен на 2013-01-09.