Hellen P. Gross
发表
B. Helmig,
Walter Wymer,
Hellen P. Gross,
2015,
VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations.
Jurgen Willems,
Stefan Ingerfurth,
Hellen P. Gross,
2021
.
Walter Wymer,
Hellen P. Gross,
2021,
International Journal of Nonprofit and Voluntary Sector Marketing.
B. Helmig,
Walter Wymer,
Hellen P. Gross,
2016
.
Hellen Gross,
Julia Thaler,
Vera Winter,
2019
.
Hellen P. Gross,
Maren Rottler,
2018,
Nonprofit and Voluntary Sector Quarterly.
Hellen P. Gross,
Nicole Schwarz,
S. Cramer von Clausbruch,
2021
.
Hellen P. Gross,
Maren Rottler,
Franziska Wallmeier,
2020,
Journal of Philanthropy and Marketing.
Hellen P. Gross,
S. C. V. Clausbruch,
Nicole Schwarz,
2018
.