©All right reserved 2018. Petra Community Service
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Editor and Administration Address:
Institute of Research and Community Outreach
Petra Christian University
Petra Christian University
Jl. Siwalankerto 121-131, Surabaya 60236
Indonesia
Phone: +62-31-2983139, 2983147
Fax: +62-31-8436418, 8492562
E-mail:
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