Bethel, S. M. (1983). How to organize and manage a seminar: What to do and when to do it. Prentice-Hall.
Chicago-viite (17. p.)Bethel, Sheila Murray. How to Organize and Manage a Seminar: What to Do and When to Do It. Englewood Cliffs, N.J: Prentice-Hall, 1983.
MLA-viite (9. p.)Bethel, Sheila Murray. How to Organize and Manage a Seminar: What to Do and When to Do It. Prentice-Hall, 1983.
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