共 50 条
- [31] A Proposed Code of Ethics Regarding the Announcement of Vocational Guidance Services to the Public [J]. PERSONNEL AND GUIDANCE JOURNAL, 1955, 33 (09): : 517 - 519
- [37] SHARK ENDANGERMENT CONCERNS RESEARCHERS [J]. JOURNAL OF THE NATIONAL CANCER INSTITUTE, 1992, 84 (13) : 1001 - 1001