How To Sell Anything: Scientific Sales Techniques To Win Any Sale And Close On A Cold Call.
  • Por Robert Willian
  • Duración: 10:08:28
  • Narrador: Joseph Holbrook
  • Editor: Author's Republic

Sales is an art. And you need to master it.Sales techniques require a unique set of skills and knowledge, involving human psychology and technical details.And you can learn those...