Teacher's guide : Environmental studies class 1 
NCERT 
 - New Delhi, India  National Council of Educational Research and Training  1987 
 - 51p. 
<br/><br/><br/>Acc. Nos. 083616-617 are MACESE books 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental studies