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