How to use the adding machine, ten-key keyboard
Subtitle: a ten unit course
By: by Thelma M. Potter and Albert Stern
Contributors: Stern, Albert, joint author
Publisher: The Gregg Pub. Co.
Published: 1945
Place of publication: New York; Chicago [etc.]
Language: eng
Number of pages: 89
Subjects: Consumer education; Textbooks; Business
Notes: High School.