Ramsey, A.S. <br/><br/>
මුලික කලනය 
 Elementary calculus 

 -  Education depatment  1963 
 - 211p.,  21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus
<br/><br/><label>Universal Decimal Class. No.: </label>517  / RAM