R. S. P. Firmansyah, F. S Ilyas, N. Nurelly, A. Seweng, K. Djawad, and G. Alam, “Comparative Effectiveness of 0.25% Turmeric Extract Cream and Grated Turmeric on Skin Elasticity Turmeric (Analysis of Curcuma Longa Concentration in Topical Preparations)”, IJSBAR, vol. 35, no. 3, pp. 262–269, Sep. 2017.