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  1. By: Ghaffariyan, Mohammad Reza
    Type: Article
    In: Silva Balcanica
    Volume: 23
    Issue: 2
    Date: 2022-12-20
    Page Range: 55--68
    Publication Info: Sofia, Bulgaria Forest Research Institute - Bulgarian Academy of Sciences (FRI-BAS) [2001]-
    Subjects: Forest harvesting  Load volume  productivity  Small forwarder  Time study