Electronic commerce 125 Dissertations 109 Dissertations, Academic 107 Electronic information resources 56 Management 54 Data processing 50 Electronic data processing 48 Electronic industries 47 Design and construction 45 Power electronics 40 Antennas (Electronics) 29 Security measures 27 Distributed processing 26 Parallel processing (Electronic computers) 24 Technological innovations 24 Electronic funds transfers 23 Computer networks 22 Design 22 Information technology 22 Internet marketing 22 Electronic government information 21 Electronic apparatus and appliances 20 Electronic mail messages 20 English language 19 Materials 19 Attitudes 18 Case studies 18 Law and legislation 18 Semiconductors 17 Electron beams 16