"higgins, j c. "
computer-based planning systems: / j.c. higgins - 1 ed. - uk : edward arnold 1985. - "ix, 211p.; 23 cm."
0 7131 3547 6
management information systems-data processing--
658. 403802854hig
computer-based planning systems: / j.c. higgins - 1 ed. - uk : edward arnold 1985. - "ix, 211p.; 23 cm."
0 7131 3547 6
management information systems-data processing--
658. 403802854hig