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		Nainggolan, F., 		Caily, R., 		Lubis, S., 		Indra ER, N., & 		Elba Duta Nugraha, I.
2024 Sep 30.  RANCANG BANGUN PURWARUPA SISTEM REGISTRASI MASUK PINTU TOLL UNTUK KENDARAAN MENGGUNAKAN LONG RANGE RADIO (LORA). Jurnal SPEKTRUM. [Online] 11:3