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Published By :
PT. Andester Riau Edutech
Alamat : Jl. Medang Bakar IV. No.10 C, Pekanbaru, Riau
E-mail : jofrise.edutech@gmail.com
HP/WA : 082172910005 - 083185750222
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.