Concepcion, Joey. Go negosyo : 55 Joey Concepcion's inspiring stories of women entrepreneurs / foreword by Tessie Sy-Coson and lessons learned from Vivienne Tan. - 1st ed. - Mandaluyong City : Philippine Center for Entreprenueship, c2009. - 235p. : col. il. ISBN: 9789719439202 Subjects--Topical Terms: Women in business--Philippines