व्यावसायिक मूल्यों पर चर्चा के अनुसार, किसे अपनी मान्यताओं और पूर्वाग्रहों को अलग रखना चाहिए ताकि यह सुनिश्चित हो सके कि वे पेशे के मूलभूत सिद्धांतों को नष्ट न करें?

Who pointed out in their work on professional ethics that society ultimately judges a profession by the behaviour and standards of its individual members?

Which librarian and scholar wrote extensively about the internal and external needs for a 'code of ethics' in the context of professional values?