WIL'N86 UG/9517 UG/9518 UG/9519 UG/9520 UG/9521 Willard, Hobart H. Instrumental methods of analysis / Hobart H. Willard ... [et. al]. – 7th ed. – New Delhi ; Kolkata : CBS, 1986 xxi, 895p. ISBN8123909438 : Rs.550/- . Drugs – Analysis – Pharmaceutical Analysis & Quality Assurance . Drug adulteration – Pharmaceutical Analysis & Quality Assurance |