1
2
出版: [2019]
Superior document: Title is part of eBook package: De Gruyter DGBA Business and Economics <1990
Links: 獲取全文; 獲取全文; Cover
3
出版: [2014]
Superior document: Title is part of eBook package: De Gruyter BWF Online Paket
Links: 獲取全文; 獲取全文; Cover