请根据下述内容提取参考文献：在国外已经有许多研究者对农产品营销策略进行了深入探讨。以下是一些相关的研究观点：KPMG2019指出数字化技术是农产品营销的重要趋势之一。通过建立数字化平台农产品可以更好地与消费者直接联系提高销售效率和利润率。Bao et al2018认为品牌建设是农产品营销的核心。通过打造有品牌影响力的产品可以提高消费者对产品的信任度和忠诚度从而提高销售额。Chenetal2018研

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