MUCHTARIDI, M., K. Megawati, F. A. Saputri, and M. M. “VALIDATION OF ANALYTICAL METHOD OF 2,5-HEXANEDIONE ON URINE BY GAS CHROMATOGRAPHY”. International Journal of Applied Pharmaceutics, vol. 11, no. 4, July 2019, pp. 320-4, doi:10.22159/ijap.2019v11i4.32687.