Sethi, P. D. Quantitative analysis of drugs in pharmaceutical formulations / P. D. Sethi. - 2nd ed. - New Delhi : CBS publishers & distributors, c1993. - xxiii, 540 pages ; 25 cm. Includes index. ISBN: 8123901798 Subjects--Topical Terms: Drugs--Analysis.Chemistry, PharmaceuticalThin layer chromatography. Pharmaceutical chemistry. Dewey Class. No.: 615.19 SET