REINHART, Hilary et al.
 Analisis Kualitas Air dan Indeks Pencemaran Sebagai Dasar Pengelolaan DAS Sungai Lamandau Penggal Nanga Bulik-Batuhambawang.
<strong>Bumi Lestari Journal of Environment</strong>, [S.l.], v. 21, n. 2, p. 12-23, aug. 2021.
ISSN 2527-6158.
Tersedia pada: &lt;<a href="https://ojs.unud.ac.id/index.php/blje/article/view/76301" target="_new">https://ojs.unud.ac.id/index.php/blje/article/view/76301</a>&gt;. Tanggal Akses: 15 oct. 2025
doi: <a href="https://doi.org/10.24843/blje.2021.v21.i02.p02">https://doi.org/10.24843/blje.2021.v21.i02.p02</a>.