郑州航空工业管理学院学报 Journal of zhengzhou institute of aeronautical industry management Provided by gtcom 3 郑州航空工业管理学院120名同学参加了调查,收回有效问卷110份。A total of 120 college students in Zhengzho
NAN JING HANG KONG HANG TIAN DA XUE XUE BAO ( YING WEN BAN )TRANS NANJING UNIV AERONAUT ASTRONAUT TRANSACTIONS OF NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS