Horn, K. (1967). The Application of Network Techniques in Planning and Management. The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Horn, Karl-Heinz. The Application of Network Techniques in Planning and Management. Cairo: The Institute of National Planning, 1967.
Lua MLA (9ú heag.)Horn, Karl-Heinz. The Application of Network Techniques in Planning and Management. The Institute of National Planning, 1967.
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