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		Muhammad, V., 		Ma'arif, A., & 		Sunardi, S.
(2020).
 Purwarupa Alat Ukur Kandungan pH, Suhu Air dan Suhu Udara  pada Pertanian Hidroponik.
<em>Jurnal Ilmiah Teknologi Pertanian Agrotechno, 5</em>(2), 81-86.
doi:10.24843/JITPA.2020.v05.i02.p06