Homkhiew C, Ratanawilai T. Optimal proportions of composites from polypropylene and rubberwood flour after water immersion using experimental design. Asia Pac J Sci Technol [Internet]. 2017 Apr. 13 [cited 2024 May 15];19(6):780-93. Available from: https://so01.tci-thaijo.org/index.php/APST/article/view/83057