共 50 条
- [18] R&D EXPENDITURES AND THE INNOVATIVENESS OF THE POLISH ECONOMY EKONOMISTA, 2012, (01): : 79 - 99
- [19] R&D Expenditures and Geographical Sales Diversification MANCHESTER SCHOOL, 2016, 84 (02): : 197 - 221
- [20] Comparison of R&D Expenditures in Selected Countries COMPARATIVE ECONOMIC RESEARCH-CENTRAL AND EASTERN EUROPE, 2013, 16 (03): : 107 - 126