Yang, Hebing Shi chang diao cha = Marketing research 市場調查 Marketing research - พิมพ์ครั้งที่ 3 - Tai bei shi : Wu nan, 2008. - 384 p ISBN: 9789571151779 Subjects--Topical Terms: Shi chang diao chaMarketing research LC Class. No.: HF5415.2 / .Y111