K. JARUKUMJORN, R. JARAPANYACHEEP, and H. KENKHOKKRUAD, “Mechanical Properties and Flame Retardancy of Sawdust/Recycled High Density Polyethylene Composites: Effects of Alkali Treatment and Flame Retardant”, Walailak J Sci & Tech, vol. 13, no. 12, pp. 1017–1024, Apr. 2016.