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  1. 1

    Principles of creative selling per Haas, Kenneth Brooks 1898-

    Publicat 1978
    Llibre

    Principles of creative selling
  2. 2

    Professional salesmanship; persuasion and motivation in marketing per Haas, Kenneth Brooks, 1898-

    Publicat 1962
    Llibre

    Professional salesmanship; persuasion and motivation in marketing
  3. 3

    Preparation and use of audio-visual aids per Haas, Kenneth Brooks 1898-

    Publicat 1950
    Llibre

    Preparation and use of audio-visual aids
  4. 4

    Tested training techniques per Haas, Kenneth Brooks

    Publicat 1950
    Llibre

    Tested training techniques

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