“Studies of Biologically Active Heterocycles: Synthesis, Characterization and Antimicrobial Activity of Some 2,5-Disubstituted-1,3,4-Oxadiazoles”, Dhaka Univ. J. Pharm. Sci, vol. 6, no. 2, pp. 69–75, Feb. 2008, doi: 10.3329/dujps.v6i2.678.