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APA Citation
Yu, X., Sun, J., Sun, S., Yang, F., Lu, Y., Wang, Y., Wu, F., & Liu, P. (2019). a comprehensive analysis of regional grain production characteristics in China from the scale and efficiency perspectives. Journal of cleaner production, 212, 610–621. http://access.bl.uk/ark:/81055/vdc_100076782934.0x00002a