OPEN University of Sri Lanka <br/><br/>
Miscellaneous models: mathematical modelling III, MAU 1107/ AMU 2183 

 - Nugegoda  The Open University of Sri Lanka  0 
 - 112 p. 
<br/><br/><label>ISBN: </label>139561 
<br/><br/><label>Dewey Class. No.: </label>511.8  / OPE