National System of Innovation
2020 ◽
pp. 1723-1723
2005 ◽
Vol 13
(8)
◽
pp. 1205-1226
◽
2002 ◽
Vol 45
(4)
◽
pp. 265-275
◽
2005 ◽
Vol 18
(5)
◽
pp. 491-517
◽
2014 ◽
Vol 6
(5)
◽
pp. 383-400
◽