Navaratne B. Determination of the Effectiveness of Hal Bark (Vateria copallifera) as a Natural Preservative for Food Security of Confectionery Industry. JTFE [Internet]. 2015 Dec. 29 [cited 2024 Apr. 29];5(2). Available from: https://journals.sjp.ac.lk/index.php/JTFE/article/view/2661