Pulle, M.W. Food spoilage and food preservation in Sri Lanka - NARESA Colombo 1980 - 36 lk - Health hazards Spoilage characteristics Sri Lanka - Science Education Series No.04 . http://thakshana.nsf.ac.lk/slstic/NA-97/NA _ 97.pdf = Pulle, M.W. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: NA-97 Nat. Bib. Agency Control No.: NA-97 Subjects--Topical Terms: EducationFood preservation Universal Decimal Class. No.: 37