TY  - BOOK
AU  - Heany,Donald F.
TI  - Development of Information System : what management needs to know
U1  - 621.310 HED 23rd ed.
PY  - 1968///
CY  - United States
PB  - Ronald Press
KW  - Development of Information
KW  - Information systems
N1  - Includes bibliographical reference and Indexes; BBA
ER  -