TY  - BOOK
AU  - Holmberg,Börje
TI  - Status and trends of distance education
SN  - 0893971030 
AV  - LC5915 .H65 1981
PY  - 1981///
CY  - New York
PB  - Nichols Pub. Co.
KW  - Distance education
KW  - Correspondence schools and courses
N1  - Includes index; Bibliography: p. 141-194
ER  -