HARIYANTI H, KURNIATI NF, SUMİRTAPURA YC, MAULUDIN R, . Development and validation of an analytical method for the determination of nanostructured lipid carrier’s cinchonine used direct method modified by liquid-liquid extraction using high-performance liquid chromatography. J.Res.Pharm. 2023; 27(2): 913-923. http://dx.doi.org/10.29228/jrp.371