Sermeno, Delfa Alon. <br/><br/>
Aqueous extracts of the flowers of two varieties of vinca rosea linn. (Chichirica) :  a phytochemical screening / 
by Delfa Alon Sermeno. 
 - v, 53 leaves. 
<br/><br/> Thesis (M.A.T. Chem.) -- Marikina Institute of Science and Technology, 1982.