Aqueous extracts of the flowers of two varieties of vinca rosea linn. (Chichirica) : a phytochemical screening 
Sermeno, Delfa Alon. 
 -  Marikina Institute of Science and Technology.  1982 
 - v, 53 leaves. 
TH 371.33 S1a 1982
                        TH 371.33 S1a 1982