文献一：
题目：A summary of thinking on measuring the value of marketing
杂志：Journal of Targeting, Measurement and Analysis for Marketing 9, 357–369 (1 June 2001) | doi:10.1057/palgrave.jt.5740026
作者：Bruce H Clark


文献二：
Title：Marketing Performance Measures: History and Interrelationships
Author: Clark, Bruce H.
Source: Journal of Marketing Management, Volume 15, Number 8, November 1999 , pp. 711-732(22)
Publisher: Routledge, part of the Taylor & Francis Group

第一次求助，不知道规则，如果需要给币的话，请feel free to tell me!