Van Elderen, E. (1977). Heuristic strategy for scheduling farm operations. Centre for Agricultural Publishing and Documentation.
Citace podle Chicago (17th ed.)Van Elderen, E. Heuristic Strategy for Scheduling Farm Operations. Wageningen, Netherlands: Centre for Agricultural Publishing and Documentation, 1977.
Citace podle MLA (8th ed.)Van Elderen, E. Heuristic Strategy for Scheduling Farm Operations. Centre for Agricultural Publishing and Documentation, 1977.
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