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. Accessed 03 Apr 2017
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4. Jordan, P.: Pleasure With Products; Beyond Usability. Taylor & Francis, London (2004). ISBN 9780203302279
5. Cho, N.H., Kim, M.T., Kim, H.S.: The effect of pleasant product scent on consumer’s product evaluation. Korean J. Sci. Emot. Sensib. 34(1), 1–25 (2005)