Ma guang ling.; Han fen chou Min hang shi chang ying xiao / [book] 民航市场营销 Ma guang ling.; Han fen chou. - Bei jing : Guo fang gong ye chu ban she, 2014. - 199 p. ISBN: 9787118090796 Subjects--Topical Terms: national defense industry press LC Class. No.: HE9873 / .M111 2014