SARI, Yelfira. PENENTUAN KUALITAS FISIKA (WARNA, SUHU, DAN TDS) DARI SAMPEL AIR SUMUR WARGA DI KECAMATAN DUMAI TIMUR. Journal of Research and Education Chemistry, [S.l.], v. 1, n. 2, p. 9, july 2019. ISSN 2685-8959. Available at: <http://journal.uir.ac.id/index.php/jrec/article/view/3512>. Date accessed: 22 oct. 2019.