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		Putra Wibawa, I Nyoman Gede, 		Supardi, I Wayan, AND 		Putra Adnyana, I Gusti Agung.
" PERANCANGAN ALAT UKUR GAS HIDROKARBON (HC) DENGAN MENGGUNAKAN SENSOR MQ-4 BERBASIS MIKROKONTROLER AT89S52" <em>BULETIN FISIKA</em> [Online], Volume 17 Number 1 (1 February 2016)