Elias G. Carayannis, David F. J. Campbell. 'Mode 3' and 'Quadruple Helix': toward a 21st century fractal innovation ecosystem. IJTM, 46(3/4):201-234, 2009. [doi]
@article{CarayannisC09,
title = {'Mode 3' and 'Quadruple Helix': toward a 21st century fractal innovation ecosystem},
author = {Elias G. Carayannis and David F. J. Campbell},
year = {2009},
doi = {10.1504/IJTM.2009.023374},
url = {http://dx.doi.org/10.1504/IJTM.2009.023374},
researchr = {https://researchr.org/publication/CarayannisC09},
cites = {0},
citedby = {0},
journal = {IJTM},
volume = {46},
number = {3/4},
pages = {201-234},
}