The book you're looking for is likely "Consumer Behavior" by Leon G. Schiffman, which is a popular textbook on consumer behavior. The 11th edition of the book was published in 2017.
Regarding the specific request "comportamiento del consumidor schiffman 11 edicion pdf gratis upd", I couldn't find any reliable sources that offer a free PDF version of the book. Be cautious when searching for free PDFs, as they might be copyrighted or contain malware. The book you're looking for is likely "Consumer
Estructura y Contenido de la 11ª Edición La digitalización : La tecnología ha cambiado la
: It covers the transition from traditional print/broadcast advertising to social and mobile media The book you're looking for is likely "Consumer
