Novitasari, D., R. Sauriasari, and M. Kurniadi. “ANALYSIS OF SYNTHETIC RED DYES IN RED SPINACH SAMPLES (AMARANTHUS TRICOLOR L.)”. International Journal of Applied Pharmaceutics, vol. 10, no. 1, Dec. 2018, pp. 15-18, doi:10.22159/ijap.2018.v10s1.04.