Better teachers : An experiment with in - service teacher training conducted by UNRWA / Unesco institute of education 
UNESCO (Paris France) 
 - Paris, France  United Nation Educational Scientfic and Cultural Orgnization  1970 
 - 212p 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching