De Leon, Sonia Y. Preservation of Philippine foods: a manual of principles and procedures/ Sonia Y. de Leon, and Matilde P. Guzman. -- Quezon, City: Phoenix Pub. House, 1996. viii, 206 p.: ill.; 26 cm. Subjects--Topical Terms: Food- Preservation.Dewey Class. No.: GR 641.4 L551 1996