Grünig, R., & Kühn, R. (2020). The Strategy Planning Process. Springer Berlin Heidelberg.
Trích dẫn kiểu ChicagoGrünig, Rudolf, và Richard Kühn. The Strategy Planning Process. Springer Berlin Heidelberg, 2020.
Deismireacht MLAGrünig, Rudolf, và Richard Kühn. The Strategy Planning Process. Springer Berlin Heidelberg, 2020.
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