共 50 条
- [1] Success factors for fee-based information services. [J]. LIBRARY QUARTERLY, 1998, 68 (02): : 240 - 242
- [3] Setting up a fee-based information service in an academic library [J]. JOURNAL OF ACADEMIC LIBRARIANSHIP, 2005, 31 (04): : 332 - 335
- [6] Success factors for fee-based information services - Wormell,I [J]. NACHRICHTEN FUR DOKUMENTATION, 1997, 48 (02): : 113 - 114
- [7] Factors Influencing Willingness of Farmers to Pay for Agricultural Non-point Source Pollution Control Based on Distributed Cognitive Theory [J]. Huanjing Kexue/Environmental Science, 2024, 45 (02): : 1222 - 1232
- [8] Success factors for fee-based information services - Wormell,I [J]. ONLINE, 1997, 21 (05): : 108 - 108
- [9] Farmers' willingness to pay for mobile phone-based agricultural extension service in northern Ethiopia [J]. COGENT FOOD & AGRICULTURE, 2023, 9 (01):