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  1. ↑ Wells, John (27 August 2008). "Pantene". John Wells's phonetic blog.
  2. ↑ Dyer, Davis (2004). Rising Tide: lessons from 165 years of brand building at Procter & Gamble. Harvard Business Press. p. 277.
  3. ↑ Forbes, Volume 139, Issues 5-9, 1987, p136
  4. ↑ Dyer, Davis (2004). Rising Tide: lessons from 165 years of brand building at Procter & Gamble. Harvard Business Press. p. 274.

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