P. R. Guntaka and S. Lankalapalli, “SOLUBILITY AND DISSOLUTION ENHANCEMENT OF IVACAFTOR TABLETS BY USING SOLID DISPERSION TECHNIQUE OF HOT-MELT EXTRUSION - A DESIGN OF EXPERIMENTAL APPROACH”, Asian J Pharm Clin Res, vol. 12, no. 1, pp. 356–363, Jan. 2019.