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Griffiths Daniel E, . (1959). Admnistrative theory. New York, USA: Appleton-Century-Crofts.
Griffiths Daniel E, . 1959. Admnistrative theory. New York, USA: Appleton-Century-Crofts.
Griffiths Daniel E, . Admnistrative theory. New York, USA: Appleton-Century-Crofts. 1959.
