VOGELS, . (2004). VOGELS TEXT BOOK OF QUANTITIVE CHEMICAL ANALYSIS. HYDRABAD: N.D.
VOGELS, . 2004. VOGELS TEXT BOOK OF QUANTITIVE CHEMICAL ANALYSIS. HYDRABAD: N.D.
VOGELS, . VOGELS TEXT BOOK OF QUANTITIVE CHEMICAL ANALYSIS. HYDRABAD: N.D. 2004.