SERTIFIKAT
Alexander Kismanto Utomo Satya Wacana Christian University Salatiga Central Java, Indonesia Indonesia
SD Kristen Kalam Kudus Solojl. Adi Sucipto No. 11Jawa TengahIndonesia
Bambang Suteng Sulasmono Satya Wacana Christian University Salatiga Central Java, Indonesia
Mawardi Mawardi Satya Wacana Christian University Salatiga Central Java, Indonesia
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