00562nam a2200181Ia 4500 887 887 81-85061-54-8 374.4 DIS- Distance education Delhi Amar Prakashan 1987 viii, 306 includes bibliography and index Distance education India Education India Open learning Telecommunicatiom in education Borah, Swapna BK 0 0 0 0 NASSDOC NASSDOC 2004-10-08 2004-10-22 0 374.4 DIS- 26833 2019-04-18 00:00:00 2019-04-18 BK