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1
by Heinonen, Jukka
Published 2021
MDPI - Multidisciplinary Digital Publishing Institute
Subjects: “...national travel...”
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2
by Manfreda, Salvatore
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute
Subjects: “...National Water Model (NWM)...”
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3
by Garrote, Luis
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute
Subjects: “...national standard...”