Content-type: text/application/x-research-info-systems Provider: Palgrave Macmillan Content: application/x-research-info-systems TY - JOUR AU - Gopalan, Ram TI - Customer portfolio management using Z-ranking of customer segments and the LTV perturbation method JA - J Database Mark Cust Strategy Manag PY - 0000///print VL - 14 IS - 3 SP - 225 EP - 235 SN - 1741-2439 UR - http://dx.doi.org/10.1057/palgrave.dbm.3250050 ER -