Ughreja, Reena, and Rajesh H Parikh. “Optimization of Ethyl Cellulose Microspheres Containing Satranidazole Using 3 Power2 Factorial Design: ”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 12, no. 1, Jan. 2019, pp. 4371-80, doi:10.37285/ijpsn.2019.12.1.3.