OPEN University of Sri Lanka <br/><br/>
Zoology ZOU 2163: development biology-part11 / 
[by] The Open University of Sri Lanka 
 - Nugegoda  Faculty of natural sciences, Open University of Sri Lanka  1997 
 - 74 p. 
<br/><br/> The bachelor of science degree programme level 4 
<br/><br/><label>ISBN: </label>9552306560 
<br/><br/><label>Dewey Class. No.: </label>574  / OPE