TY - BOOK AU - Wirtz, Bernd W TI - Media management strategy, business models and case studies SN - 9783030479121 AV - P 69 .M34 W57 2020 17378 PY - 2020/// CY - Germany PB - Cham Springer KW - 1.mass -media 2.industrial management N1 - Includes references ER -