Peng Zhang, Yirui Wang, Jialong Ye, Yoking Bai, Le Jiang, Meiyi Wang. (1). Research on the Construction of the Peach Colony of the Aged under the Background of Beijing-Tianjin-Hebei Cooperation by Blockchain. Forest Chemicals Review, 515-525. Retrieved from http://forestchemicalsreview.com/index.php/JFCR/article/view/939