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1Academic Journal
المؤلفون: Greta Winkler, Sonja Kaufmann, Nikolaus Hruschka, Christian R. Vogl
المصدر: Frontiers in Sustainable Food Systems, Vol 8 (2024)
مصطلحات موضوعية: organic agriculture, certification, participatory guarantee systems, farmers’ markets, alternative food network, food sovereignty, Nutrition. Foods and food supply, TX341-641, Food processing and manufacture, TP368-456
وصف الملف: electronic resource
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2Academic Journal
المؤلفون: Sonja Kaufmann, Nikolaus Hruschka, Christian R. Vogl
المصدر: Frontiers in Sustainable Food Systems, Vol 7 (2023)
مصطلحات موضوعية: participatory guarantee systems, organic certification, transaction costs, farm inspection, peer learning, certification costs, Nutrition. Foods and food supply, TX341-641, Food processing and manufacture, TP368-456
وصف الملف: electronic resource
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3Academic Journal
المؤلفون: Nikolaus Hruschka, Sonja Kaufmann, Christian R. Vogl
المصدر: International Journal of Agricultural Sustainability, Vol 20, Iss 4, Pp 393-407 (2022)
مصطلحات موضوعية: farmer organizations, chile, organic certification, participation, non-participation, participatory guarantee systems, pgs initiatives, Agriculture
وصف الملف: electronic resource
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4
المؤلفون: Greta Winkler, Sonja Kaufmann, Nikolaus Hruschka, Christian R. Vogl
مصطلحات موضوعية: Climate Change Processes, Food Chemistry and Molecular Gastronomy (excl. Wine), Food Engineering, Food Nutritional Balance, Food Packaging, Preservation and Safety, Food Processing, Food Sciences not elsewhere classified, Manufacturing Safety and Quality, Packaging, Storage and Transportation (excl. Food and Agricultural Products), organic agriculture, certification, participatory guarantee systems, farmers’ markets, alternative food network, food sovereignty
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5Academic Journal
المؤلفون: Sonja Kaufmann, Nikolaus Hruschka, Christian R. Vogl
المصدر: Sustainability; Volume 12; Issue 19; Pages: 8100
مصطلحات موضوعية: participatory guarantee systems, PGS, participation, organic certification, framework, organic agriculture
جغرافية الموضوع: agris
وصف الملف: application/pdf
Relation: Sustainable Agriculture; https://dx.doi.org/10.3390/su12198100
الاتاحة: https://doi.org/10.3390/su12198100
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6
المؤلفون: Sonja Kaufmann, Nikolaus Hruschka, Luis Vildozo, Christian R. Vogl
المصدر: Agriculture and Human Values. 40:193-216
مصطلحات موضوعية: Agronomy and Crop Science
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7
المؤلفون: Nikolaus Hruschka, Sonja Kaufmann, Christian R. Vogl
المصدر: SSRN Electronic Journal.
مصطلحات موضوعية: History, Polymers and Plastics, Business and International Management, Industrial and Manufacturing Engineering
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8
المؤلفون: Sonja Kaufmann, Nikolaus Hruschka, Christian R. Vogl
مصطلحات موضوعية: Climate Change Processes, Food Chemistry and Molecular Gastronomy (excl. Wine), Food Engineering, Food Nutritional Balance, Food Packaging, Preservation and Safety, Food Processing, Food Sciences not elsewhere classified, Manufacturing Safety and Quality, Packaging, Storage and Transportation (excl. Food and Agricultural Products), participatory guarantee systems, organic certification, transaction costs, farm inspection, peer learning, certification costs, collective action, participation
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9
المؤلفون: Sonja Kaufmann, Christian R. Vogl
المصدر: Agriculture and Human Values. 35:457-472
مصطلحات موضوعية: Organic product, Food security, Opportunity cost, media_common.quotation_subject, Citizen journalism, 04 agricultural and veterinary sciences, Certification, 010501 environmental sciences, Conflict avoidance, Organic certification, 01 natural sciences, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, Business, Bureaucracy, Marketing, Agronomy and Crop Science, 0105 earth and related environmental sciences, media_common
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10
المؤلفون: Sonja Kaufmann
المصدر: Zeitschrift für wirtschaftlichen Fabrikbetrieb. 112:247-249
مصطلحات موضوعية: Strategy and Management, General Engineering, Management Science and Operations Research
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11
المؤلفون: Sonja Kaufmann
المصدر: NeuroTransmitter. 22:68-68
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12Academic Journal
المؤلفون: Sonja Kaufmann, Nikolaus Hruschka, Christian R. Vogl