@book{P-4411,
author="Blackwell, Frederick W. and Barry W. Boehm and A. W. Chalfant and John A. Farquhar and Barbara G. Marks and J. G. Root and A. H. Rosenthal",
title="Educational Information System Design : A Conceptual Framework.",
address="Santa Monica, CA",
year="1970",
doi="",
publisher="RAND Corporation"
}%n