Helpman, E., & Rangel, A. (1998). Adjusting to a new technology: Experience and training. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Helpman, Elhanan, a Antonio Rangel. Adjusting to a New Technology: Experience and Training. Cambridge: National Bureau of Economic Research, 1998.
Citace podle MLA (9th ed.)Helpman, Elhanan, a Antonio Rangel. Adjusting to a New Technology: Experience and Training. National Bureau of Economic Research, 1998.
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