Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2023-09 Pages: 128 Publisher: China Agriculture Press This book mainly introduces the development level of China's selenium industry in 2022. and provides a standardized and standard interpretation of the essential connotation. main statistical indicators. data collection and collation. calculation methods. prediction and evaluation. and consulting suggestions of the Selenium Industry Development Index (SeI). It uses a quantitative method to scientificall. Bestandsnummer des Verkäufers DS008933
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