00453nam a2200133Ia 4500 181023s9999 xx 000 0 und d 97812600112920 Hall, John. John Hall.-- Top of mind : use content to unleash your influence and engage those who matter to you / USA : McGraw Hill 2017 xvii, 184 pages. Consumers -- information services. Consumers -- research. 359308 359308 0 0 0 CL CL RES 2018-10-23 Library Fund 1 5 HF 5415.32 .H17 2017 C21667 2020-01-27 2019-10-25 00:00:00 2019-10-25 2018-10-23 BK