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		Ade Chandra Priyatna, I., 		Raka Agung, I., & 		Divayana, Y.
2021 Jul 12.  PENGARUH PENAMBAHAN SISTEM IOT RASPBERRY PI TERHADAP KECEPATAN CETAK DAN TINGKAT PRODUKTIVITAS OPERATOR 3D PRINTER REPRAP. Jurnal SPEKTRUM. [Online] 8:2