Nathanael, W.R.N.2014-01-292014-01-291952The Ceylon Coconut Quarterly, 3(2):p.83-87https://dl-cri.nsf.gov.lk/handle/1/2081IndustryCoconut productsSri LankaSmall industryThe history of vinegar production and the use of coconut toddy as a raw material part I. historical introductionA