Piyasiri, T.A.2019-02-132019-02-132004Transactions - 2004 Volume I - PART B Technical Papers:p.383-388http://192.168.1.11/pdfs/OCR/2004/T0756.PDFfhttps://dl-iesl.nsf.gov.lk/handle/1/1186Analysis of Tracer Study on National Diploma in Technology HoldersArticle