ECKERN, Gilbert Hardin, Walt
Business machines in action /[by] Gilbert Eckern, Walt Hardin - California Star publishing cop. 1980 - vii, 248 p.
898630126
510.1823 / ECK
Business machines in action /[by] Gilbert Eckern, Walt Hardin - California Star publishing cop. 1980 - vii, 248 p.
898630126
510.1823 / ECK