Pakdeechot, S., and L. Kaewsichan. “Tamanu and coconut oil blends for soap making from extraction of Tamanu kernel with coconut milk”. Engineering and Applied Science Research, vol. 47, no. 4, Nov. 2020, pp. 414-21, https://ph01.tci-thaijo.org/index.php/easr/article/view/238423.