Panduwawala, J.P.Illeperuma, C.D.K.Samarajeewa, U.2010-07-062010-07-061988Journal of the National Science Council of Sri Lanka, 16(1):p.105-114https://dl.nsf.gov.lk/handle/1/6697CopperZincFood contaminationFood scienceIron contamination during commercial grinding of spicesArticle