Jones, Ralph Herschell,  1920-. <br/><br/>
Methods and techniques of educational research / 
by Ralph H. Jones. 
 - Danville : b The Interstate Printers & Publishers,  1973. 
 - 541 p. ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.