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Technical Approaches for Certifying Place of Origin of Agricultural Products: A Case Study of Hainan Wanning Selenium-rich Betel Nuts
Zhang Gucheng, Ma Ronglin, Guo Yuepin, Zhang Jiayou, Wang Peng, Hao Yu, Zeng Guanghua, Chen Yang, Li Liang
Chinese Agricultural Science Bulletin . 2020, (19): 114 -120 .  DOI: 10.11924/j.issn.1000-6850.casb20190500079