Mali, G. B. <br/><br/>
Science for secondary school  

 - Kathmandu  Ratna Pustak   2061 
 - 225 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching 
<br/><br/><label>Dewey Class. No.: </label>507  / M294s 2061