@BOOK{ Book!D - 100889795,
AUTHOR = "/ Richard R. Nelson",
TITLE = "The Sources of economic growth",
LIBRARY= "کتابخانه دانشکده اقتصاد (دانشگاه تهران)",
SUBJECT = "Economic development,Technological innovations -- Economic aspects,Social institutions",
URL = "/book/100889795/The-Sources-of-economic-growth/"}