BYRA REDDY, H NNAGARAJA, N2019-07-112019-07-111979No. of Reference 63http://krishikosh.egranth.ac.in/handle/1/5810113898ABSTRACT NOT AVAILABLEennullRELATIVE EFFECTIVENESS OF LECTURE AND TAPE-RECORDED LECTURE PRESENTATION AND THEIR COMBINATION WITH SELECTED VISUALSThesis