共 142 条
[1]
Acs ZJ, 2009, SMALL BUS ECON, V32, P15, DOI [10.1007/s11187-008-9157-3, 10.1007/s11187-013-9505-9]
[4]
Al-Mubaraki H., 2011, INT J EMERGING SCI, V1, P95
[6]
Albert P., 2000, ARPENT ANN REV PROGR, V1, P158
[8]
Amoroso S., 2019, SCI TECHN PARKS REG