de Leon, Sonia Y. Preservation of Philippine foods a manual of principles and procedures Sonia Y. de Leon, Matilde P. Guzman - Quezon City Phoenix Publishing 1992. - viii, 206 pages 26 cm. ISBN: 9710621726 Subjects--Topical Terms: Food--Preservation.I.Guzman, Matilde P. LC Class. No.: TX 601 D45 1998