00554nam a2200157Ia 450000500170000000800460001703700180006304000200008104100130010108400240011410000170013824501800015526000090033530000090034454600430035320250508162031.0008  250505s9999    xx            000 0 eng d  aDissertations  aFEDLbengcFEDL  aeng2eng  a371.3, MAH/DIqFEDL  aMahesh Chand 0aComparative study of the effectiveness of three methods of teaching involving I) programmed instruction II) television instruction III) normal teaching in class room situation  c1978  a85p.  aM. Ed. Dissertation (Delhi University)