Basic work book 
Koshal, Satish 
 - 1st 
 - New Delhi  BPB Publications  1989 
 - 120 p. :  ill, ;  22 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Programming
<br/><br/><label>Dewey Class. No.: </label>005.133B  / KOH