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APA Citation
Zhang, X., Lantolf, J. P., Hulstijn, J. H., Ellis, R., & Eskildsen, S. W. (2015). natural or Artificial: Is the Route of L2 Development Teachable?. Language learning, 65(1), 152–180. http://access.bl.uk/ark:/81055/vdc_100025126894.0x000055