Group discussion a practical guide to participation and leadership

Bibliográfalaš dieđut
Váldodahkki: Phillips, Gerald M.
Eará dahkkit: Pedersen, Douglas J. (joint author.), Wood, Julia T. (joint author.)
Materiálatiipa: Girji
Giella:eaŋgalasgiella
Almmustuhtton: Boston Houghton Mifflin Company c1979.
Fáttát: