http://dewey.info/scheme/a14/ en
630 Agriculture and related technologies
630.2 Miscellany and scientific principles
http://dewey.info/scheme/a14/ vi
630 Nông nghiệp và các công nghệ liên quan
630.2 Tài liệu hỗn hợp và các nguyên lý khoa học
http://dewey.info/scheme/a14/ it
630 Agricoltura e tecnologie connesse
630.2 Miscellanea e principî scientifici
http://dewey.info/scheme/edition/e23/ en
630 Agriculture and related technologies
630.2 Miscellany and scientific principles
630.201 Tabulated, illustrative, related materials; humorous treatment; audiovisual treatment 630.202 Synopses and outlines 630.20854678 Agriculture--Internet 630.2515 Agricultural meteorology
Dewey Decimal Classification
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