"fasnacht, harold d. "
how to use business machines: / harold.d. fasnacht - 3 ed. - usa : macgraw-hill 1969. - "iv, 140p.; 28 cm."
07-019972-8
HF5548 / .F28 1962
how to use business machines: / harold.d. fasnacht - 3 ed. - usa : macgraw-hill 1969. - "iv, 140p.; 28 cm."
07-019972-8
HF5548 / .F28 1962