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		Ade Chandra Priyatna, I., 		Raka Agung, I., & 		Divayana, Y.
(2021).
 PENGARUH PENAMBAHAN SISTEM IOT RASPBERRY PI TERHADAP KECEPATAN CETAK DAN TINGKAT PRODUKTIVITAS OPERATOR 3D PRINTER REPRAP.
<em>Jurnal SPEKTRUM, 8</em>(2), 128-137.
doi:10.24843/SPEKTRUM.2021.v08.i02.p15