feng, ying jian wang luo ying xiao ji chu yu shi jian( di4 ban)= The postgraduate research handbook / [book] feng, ying jian - beijing : qing hua da xue, 2013. - 461 p. - 21 shi ji jing ji guan li lei jing pin jiao ca . ISBN: 9787302323938 Subjects--Topical Terms: Internet marketing LC Class. No.: HF5415.1265 / .F332