IDRIS, Idris.
 ESTIMASI NILAI EKONOMI TOTAL (TOTAL ECONOMIC VALUE) SUMBERDAYA ALAM DAN LINGKUNGAN DANAU SINGKARAK.
<strong>Bumi Lestari Journal of Environment</strong>, [S.l.], v. 13, n. 2, aug. 2013.
ISSN 2527-6158.
Tersedia pada: &lt;<a href="https://ojs.unud.ac.id/index.php/blje/article/view/6651" target="_new">https://ojs.unud.ac.id/index.php/blje/article/view/6651</a>&gt;. Tanggal Akses: 15 oct. 2025