Panic Button dan Sensor Gerak, Inovasi Kepala Kesatuan Pengamanan Lapas Balikpapan https://ift.tt/ujTeUAf
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Panic Button dan Sensor Gerak, Inovasi Kepala Kesatuan Pengamanan Lapas Balikpapan https://ift.tt/ujTeUAf
Tribunnews | Kalimantan Timur 
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