How do focus groups work? - Hector Lanz
0
0
4,339 بازدیدها·
11/29/23
که در
Life
View full lesson: http://ed.ted.com/lessons/how-do-focus-groups-work-hector-lanz Focus groups have been widely used by organizations and individuals to find out how their products and ideas...
بیشتر نشان بده، اطلاعات بیشتر
0 نظرات
sort مرتب سازی بر اساس
