@book{5090,
	author = {Organización de Cooperación y Desarrollo Económico},
	title = {Business enterprise R-D expenditure by size class and by source of funds - ISIC Rev 4},
	publisher = {OECD Publishing.},
	address = {Paris :},
	url = {https://doi.org/10.1787/7ce7448d-en},
}