Tristiyanti, Deby, et al. “Characterisation of Physical Properties of Curcumin Isolated from Curcuma Domestica Val: Http: www.doi.org 10.26538 Tjnpr V7i12.13”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 12, Dec. 2023, pp. 5448-52, https://tjnpr.org/index.php/home/article/view/3179.