Cite
MLA Citation
Nir Eyal and Ryan Hoover. Hooked : how to build habit-forming products. New York, New York : Portfolio/Penguin, 2014. http://access.bl.uk/ark:/81055/vdc_100048689586.0x000001
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Nir Eyal and Ryan Hoover. Hooked : how to build habit-forming products. New York, New York : Portfolio/Penguin, 2014. http://access.bl.uk/ark:/81055/vdc_100048689586.0x000001