@book{ BC1035550X,
 author = "Silk, Alvin J. and Berndt, Ernst R.",
 title = "Aggregate advertising expenditure in the U.S. economy : measurement and growth issues in the digital era",
 publisher = "now Publishers",
 year = "2021",
 series = "Foundations and trends [R] in marketing",
 number = "15:1",
 URL = "https://ci.nii.ac.jp/ncid/BC1035550X"
}
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