Marsaulina, H. D., M, M., & Morin, S. S. (2020). Application of Ultraviolet Spectrophotometry with Dual Wavelength Method for the Simultaneous Determination of Ecstasy Tablet Content. Asian Journal of Pharmaceutical Research and Development, 8(5), 1–4. https://doi.org/10.22270/ajprd.v8i5.823