共 50 条
- [27] Direct Marketing via US Postal Service's Every Door Direct Mail Program JOURNAL OF EXTENSION, 2023, 61 (02):
- [29] GRIEVANCE ARBITRATION IN US POSTAL SERVICE - POSTAL SERVICE VIEW ARBITRATION JOURNAL, 1974, 29 (01): : 1 - 14
- [30] Effect of Postal Regulations on Contract Acceptance by Mail ILLINOIS LAW REVIEW, 1949, 44 (03): : 394 - 397