00645nam a2200181Ia 4500 TDMU_38698 210410s9999 xx 000 0 und d 004 Brown, Elieen Working The Crowd: social media marketing for business, second edition Elieen Brown British Informatics Society Ltd 2012 191Pages Ebook from IG Library Sales & marketing; Quản lý tiếp thị Bán hàng http://lrc.tdmu.edu.vn/opac/search/detail.asp?aID=2&ID=38698 Trung tâm Học liệu Trường Đại học Thủ Dầu Một