Viscosity determination of semisolids by using Brookfield's viscometer
- Physical Pharmacy by Alfred Martin, Sixth edition.
- Experimental pharmaceutics by Eugene, Parott.
- Tutorial pharmacy by Cooper and Gunn.
- Stocklosam J. Pharmaceutical calculations, Lea & Febiger, Philadelphia.
- Liberman H.A, Lachman C., Pharmaceutical Dosage forms, Tablets, Volume-1 to 3, Marcel Dekkar Inc.