Jens Schulze, Volker Bach, Hubert Ă–sterle. Customer Relationship Management. HMD - Praxis Wirtschaftsinform., 212:113-129, 2000. [doi]
@article{SchulzeBO00, title = {Customer Relationship Management}, author = {Jens Schulze and Volker Bach and Hubert Ă–sterle}, year = {2000}, url = {http://hmd.dpunkt.de/212/09.html}, researchr = {https://researchr.org/publication/SchulzeBO00}, cites = {0}, citedby = {0}, journal = {HMD - Praxis Wirtschaftsinform.}, volume = {212}, pages = {113-129}, }