共 50 条
- [45] Collaborative learning on the Internet. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1998, 216 : U508 - U508
- [46] Cancer resources on the Internet. BULLETIN OF THE MEDICAL LIBRARY ASSOCIATION, 1999, 87 (01): : 101 - 102
- [49] Contracts and sales on the Internet. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1997, 213 : 52 - CHAL
- [50] Government information on the Internet. JOURNAL OF GOVERNMENT INFORMATION, 1998, 25 (02): : 212 - 213