MODERN BUSINESS ARITHMETIC. Complete Course (Revised Edition) Harry Anson Finney Joseph Clifton Brown

Zdroj:	The Journal of Education, 1922 Jul 01. 961 (2387), 22-22.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/42767529 Zobrazit plný text záznamu