@article{SchmaehHeinzelmannJacksonetal.2020, author = {Marco Schm{\"a}h and Matthieu Heinzelmann and Bianca Jackson and Christina Weidemann}, title = {Investition in die mentale Fitness der Mitarbeiter}, journal = {Sales excellence : Zeitschrift f{\"u}r Handelsvermittlung und Vertriebsmanagement}, volume = {29}, number = {5}, pages = {42 -- 45}, year = {2020}, }