@article{Nobuyuki INAMIZU20170161125a, title={Five Steps in Sales and Its Skills}, author={Nobuyuki INAMIZU and Hidenori SATO and Fumihiko IKUINE}, journal={Annals of Business Administrative Science}, volume={16}, number={1}, pages={1-13}, year={2017}, doi={10.7880/abas.0161125a} }