Mohammed, A.M, Durodola, S.L <br/><br/>
Quality assurance in open and distance learning  the PTTP perspective 
A.M, Mohammed,S.L. Durodola. 
 - Kaduna  NTI  2002 
 - xvi, 53p.;  Pbk.; 
<br/><br/><label>ISBN: </label>9780554416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education<br/>Open plan schools<br/>National teachers institutes