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Author

Gerhard Frohn

3 books found

Placeholder cover for Territorialer Leistungsvergleich

Territorialer Leistungsvergleich

Manfred Ebel, Gerhard Frohn · First published 1984

Placeholder cover for WAO in Leitungsorganen

WAO in Leitungsorganen

Gerhard Frohn · First published 1978

Placeholder cover for Rationell leiten

Rationell leiten

Gerhard Frohn · First published 1966