[4]THEIS-MAHON N R,BAKKER C J. The continued citation of retracted publications in dentistry[J]. Journal of the Medical Library Association,2020,108(3):389-397.
[5]ANDREI J,MIEILA M,POPESCU G H,et al. The impact and determinants of environmental taxation on economic growth communities in Romania[J]. Energies,2016,9(11):902.