[1. B. Trivedi, Quality by design (QbD) in pharmaceuticals, Int. J. Pharm. Pharm. Sci. 4 (2012) 17-29.]Search in Google Scholar
[2. T. D. Blackburn, T. A. Mazzuchi and S. Sarkani, Overcoming inherent limits to pharmaceutical manufacturing quality performance with QbD (Quality by Design), J. Pharm. Innov. 6 (2011) 69-76; DOI: 10.1007/s12247-011-9102-x.10.1007/s12247-011-9102-x]Search in Google Scholar
[3. N. V. Eziokwu, Quality by design (QbD): Manufacturing and product quality of generics drugs perspective, IJ CPR 4 (2014) 110-119.]Search in Google Scholar
[4. M. Ma_ ei, G. M. Kontogeorgis and R. Gani, A comprehensive framework for surfactant selection and design for emulsion based chemical product design, Fluid Phase Equilib. 362 (2014) 288-299; DOI: 10.1016/j.fluid.2013.10.030.10.1016/j.fluid.2013.10.030]Search in Google Scholar
[5. D. C. Montgomery, Design and Analysis of Experiments, 8th ed., Wiley, Singapore 2013.]Search in Google Scholar
[6. International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use, ICH Harmonised Tripartite Guideline, Guidance for Industry, Q8 (R2) Pharmaceutical Development, November 2009; h_ p://www.fda.gov/downloads/Drugs/Guidances/ ucm073507.pdf; last access date October 10, 2014]Search in Google Scholar
[7. L. C. Okpala and E. C. Okoli, Optimization of composite flour biscuits by mixture response surface methodology, Food Sci. Technol. Int. 19 (2013) 343-350; DOI: 10.1177/1082013212452587.10.1177/108201321245258723729419]Search in Google Scholar
[8. European Pharmacopoeia, 7th ed., EDQM, Strasbourg 2011. ]Search in Google Scholar
