Quia, Magdalena Z. Spheres Metalcraft Inc., Naic Cavite / Magdalena Z. Quia. - Indang, Cavite, Cavite State University- Main Campus, 1997. - 50p. : ill. ; 28 cm. illustrations ; cm. Case study (B.S.B.M.--Marketing) Don Severino Agricultural College Includes bibliographical references. Subjects--Topical Terms: Industrial management Dewey Class. No.: 658.8 / Q4 1997