TY - BOOK AU - Silk, Alvin J. AU - Berndt, Ernst R. TI - Aggregate advertising expenditure in the U.S. economy : measurement and growth issues in the digital era PB - now Publishers PY - 2021 T2 - Foundations and trends [R] in marketing VL - 15:1 EP - 88 p. UR - https://ci.nii.ac.jp/ncid/BC1035550X SN - 9781680838725 ER -