00456nam a2200145Ia 4500008004100000020001800041040001700059082002300076100001800099245006800117260004800185300001500233500004100248650002100289190329s9999||||xx |||||||||||||| ||und||  a81-309-0188-9  aNITILcNITIL  221sta374.4bR313O  aReddy, G. Ram 0aOpen and flexible learningbissues and challengescG. Ram Reddy  aNew DelhibViva Books Private Limitedc2006  axiv, 128p.  aProf. G. Ram Reddy Memorial lectures  aDISTANT LEARNING