na INLIS000000000013177 20260506124458 0010-0317013175 260506 0 eng Chromatographic separations : Analytical chemistry by open learning Sewell, Peter A. Chichester : John Wiley Sons, 1987 viii, 108 hlm. ; 21 cm 0471913707 543.089 2 Sew c -2 543.089 2 ANALISA KROMATOGRAFI 022292212