TY - BOOK AU - Holmberg,Borje TI - Status and trends in distance education SN - 0850384141 U1 - 374.4 19 PY - 1981/// CY - London PB - Kogan Page KW - Distance study (Teaching) KW - Spines KW - Correspondence course KW - Surveys KW - Bibliographies N1 - Bibliography : p. 143-194 N2 - Education ER -