共 58 条
[31]
ISSUES IN ASSESSING THE CONTRIBUTION OF RESEARCH AND DEVELOPMENT TO PRODUCTIVITY GROWTH
[J].
BELL JOURNAL OF ECONOMICS,
1979, 10 (01)
:92-116
[32]
Hall J., 2006, 0601 NZ TREAS, P1
[36]
Institute for Economics & Peace, 2019, GLOB PEAC IND 2019 M
[37]
Islam N., 2009, CAN R D INVESTMENT O
[40]
Kokic P., 2005, Australian Commodities, V12, P161