TY  - BOOK
AU  - Hanken,A.F.G.
AU  - Reuver,H.A.
TI  - Social systems and learning systems
SN  - 0898380502 :
U1  - 300 
PY  - 1981///
CY  - Boston
PB  - Martinus Nijhoff Pub.
KW  - Social systems
KW  - System theory
KW  - Instructional systems
N1  - Includes bibliographical references and index
ER  -