00595nam a2200193Ia 4500 140626s9999 xx 000 0 und d Billett, Matthew. A comment on "balancing risk and return in a customer portfolio" / a comment / Matthew Billett. c2011. 75 : 3, page 21 Journal of Marketing BSBA Customer portfolio management. Financial portfolio theory. Market segmentation. Market-based assets. Return on marketing. SE 121102 121102 0 0 0 CL CL PER 2014-06-26 0 S0210 2014-06-26 00:00:00 2014-06-26 SE