J. Fardous, F. F. Perveen, M. Ohidullah, A. Saifuddin, and S. Sultana, “Effects of concentration and synergism on drug solubilising behaviour of PVP K 30 and PEG 6000”, Jahangirnagar Univ. J. Biol. Sci., vol. 3, no. 2, pp. 49–55, Jun. 2016.