Avilla, Ruel A. Characterization and properties of essential oil from the leaves of guyabano (Anona muricata Linn.) / Ruel A. Avilla. - Indang, Cavite, Cavite State University- Main Campus, 1999. - xi, 69p. : ill. ; 28 cm. illustrations ; cm. Thesis (BS Chemistry) Cavite State University. Includes bibliographical references. Subjects--Topical Terms: Chemistry. Dewey Class. No.: 540 / Av5 1999