National Council of Educational Research and Training <br/><br/>
Human ecology and family sciences part I: textbook for class XI 

 - New Delhi  NCERT  2016 
 - xvi, 224p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology
<br/><br/><label>Dewey Class. No.: </label>304.2 NAT(TB)