Book (Practical) Business You can become a "Top Sales Person" without selling it! No. 1 for 10 consecutive years just by introduction and word-of-mouth
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: 単行本(実用) 商業 売り込まなくても「トップ営業」になれる! 紹介・口コミだけで10年連続No.1