Knapp, Donna.
A guide to help desk concepts / Donna Knapp. - Second edition. - 351 pages ; 24 cm
Previous ed.: 1999.
0619159464 9780619159467
Computer technical support.
Computer service industry.
22
A guide to help desk concepts / Donna Knapp. - Second edition. - 351 pages ; 24 cm
Previous ed.: 1999.
0619159464 9780619159467
Computer technical support.
Computer service industry.
22