共 50 条
- [23] PRICED BUSINESS INFORMATION-SERVICES FROM THE PUBLIC-SECTOR - WILL THEY SUCCEED IFLA JOURNAL-INTERNATIONAL FEDERATION OF LIBRARY ASSOCIATIONS, 1990, 16 (02): : 220 - 230
- [30] Explaining cross-country variations in the prevalence of informal sector competitors: lessons from the World Bank Enterprise Survey International Entrepreneurship and Management Journal, 2019, 15 : 677 - 696