共 50 条
- [1] ONLINE SEARCHING - COSTLY OR COST-EFFECTIVE - A MARKETING PERSPECTIVE JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES, 1984, 24 (02): : 51 - 54
- [2] AID TO COST-EFFECTIVE ONLINE SEARCHING PROGRAM-AUTOMATED LIBRARY AND INFORMATION SYSTEMS, 1982, 16 (02): : 82 - 83
- [4] CORONARY STENTING - COSTLY OR COST-EFFECTIVE JOURNAL OF INVASIVE CARDIOLOGY, 1995, 7 : A36 - A42
- [6] COST-EFFECTIVE SEARCHING ON STN ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1993, 206 : 51 - CINF