TY - Frontiers of Data and Computing A1 - LI Hao,LI Xin,CHEN Yuanping T1 - Innovative Application of Blockchain in Electronic Invoice Reimbursement Y1 - 2021-08-20 JF - Frontiers of Data and Domputing JO - Frontiers of Data and Computing SP - 116 EP - 125 VL - 3 IS - 4 UR - http://www.jfdc.cnic.cn N1 - 10.11871/jfdc.issn.2096-742X.2021.04.010 ER -