Ramshaw, H. G. <br/><br/>
Blackboard work / 
H. G. Ramshaw ; adapted for use in India by David Horsburgh 
 - London :  Oxford University Press,  1959 
 - 77 p. :  ill. ;  18 cm. 
 - Teaching in India series ;  17 .
<br/><br/><label>ISBN: </label> Rs. 3.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visual aids<br/>Audio-visual education<br/>Blackboards
<br/><br/><label>Dewey Class. No.: </label>371.335