Practical systems and procedures manual
Van Duyn, J. A., 1920-
Practical systems and procedures manual J. Van Duyn - Reston, Va Reston Pub. Co. [1975] - ix, 218 p. ill 24 cm.
System analysis
Computer programming
001.6 / 1
Practical systems and procedures manual J. Van Duyn - Reston, Va Reston Pub. Co. [1975] - ix, 218 p. ill 24 cm.
System analysis
Computer programming
001.6 / 1