REFERENCES

1. Physical Pharmacy by Alfred Martin, Sixth edition
   
2. Experimental pharmaceutics by Eugene, Parott.
   
3. Tutorial pharmacy by Cooper and Gunn.
   
4. Stocklosam J. Pharmaceutical calculations, Lea & Febiger, Philadelphia.
   
5. Liberman H.A, Lachman C., Pharmaceutical Dosage forms, Tablets, Volume-1 to 3, Marcel Dekkar Inc.