@incollection{Sümer19, author = {Selay Ilgaz Sümer}, title = {Prologue: Marketing in the Modern Age}, booktitle = {Modern Perspectives in Business Applications}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Syed Abdul Rehman Khan and Selay Ilgaz Sümer}, chapter = {5}, doi = {10.5772/intechopen.90702}, url = {https://doi.org/10.5772/intechopen.90702} }