ELR: Call for Papers for the Vol. 10, No. 2, June 2021 issue

ELR is calling for papers for the issue of Vol. 10, No. 2, June 2021. Submission deadline: June 5, 2021. You may see the journal’s website at http://elr.sciedupress.com and submit online. You may also e-mail submissions to elr@sciedupress.com.