| Issue Date | Title | Author(s) | Type | Мp-cat. |
| 1999 | Određivanje lorazepama u prisustvu degradacionog proizvoda primenom derivativne UV spektrofotometrije drugog izvoda | Pfendt, Lidija; Stefanović, Violeta; Popović, Gordana  | Article | |
| 1998 | Spectrophotometric determination of fleroxacin in tablets | Popović, Gordana ; Kapetanović, Vera; Milovanović, Lj | Article | |
| 1998 | Polarographic behaviour of fleroxacin and its determination in tablets | Milovanović, Lj; Kapetanović, Vera; Popović, Gordana ; Aleksić, Mara  | Article | |
| 1998 | Acid-base equilibria in homogeneous and heterogeneous systems of clonazepam and nitrazepam | Popović, Gordana ; Dražić, Branka ; Pfendt, Lidija | Article | |
| 1997 | Determination of midazolam in pharmaceutical dosage forms by second-order derivative ultraviolet spectrophotometry | Pfendt, Lidija; Popović, Gordana ; Stefanović, Violeta M.; Rajić, M.B | Article | |
| 1996 | Spectrophotometric determination of flurazepam in pharmaceutical formulations | Popović, Gordana ; Pfendt, Lidija | Article | |
| 1995 | Spectrophotometric determination of midazolam in pharmaceutical formulations | Pfendt, Lidija; Popović, Gordana ; Supančić, S.I | Article | |
| 1995 | Study of protolytic, hydrolytic and solubility equilibria of midazolam | Pfendt, Lidija; Janjić, T.J; Popović, Gordana  | Article | |
| 1994 | A spectrophotometric method for the determination of equilibrium constants of the reversible 1,4-benzodiazepine ring-opening reaction | Pfendt, Lidija; Popović, Gordana  | Article | |
| 1990 | Study of protolytic equilibria of flurazepam | Pfendt, Lidija; Janjić, T.J; Popović, Gordana  | Article | |
| 1990 | Study of heterogeneous equilibria in saturated aqueous solutions of some 7-chloro-1,4-benzodiazepines | Pfendt, Lidija B.; Sladić, Dušan ; Janjić, Tomislav J.; Popović, Gordana V.  | Article | |