Publisher:
ISSN 2807-3118, e-ISSN 2962-1208
This issue has been available online since 19 September 2021 for the regular issue of September 2021. All articles in this issue (4 original research articles) were authored/co-authored by 6 authors from 1 countries (Indonesia)
Universitas Sumatera Utara, Jl. Perpustakaan No.3A, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara 20155
email: jtmh@usu.ac.id
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