“SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF SCHIFF’S AND N-MANNICH BASES OF ISATIN AND ITS DERIVATIVES WITH 4-AMINO-N-CARBAMIMIDOYL BENZENE SULFONAMIDE” (2010) International Journal of Pharmaceutical Sciences and Drug Research, 2(2), pp. 151–154. doi:10.25004/IJPSDR.2010.020214.