ARIANTANA, Ketut et al.
 ANALISIS KELAYAKAN EKONOMI  PENGOPERASIAN SISTEM PENYEDIAAN AIR MINUM (SPAM)  DI PULAU NUSA PENIDA - KABUPATEN KLUNGKUNG.
<strong>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science)</strong>, [S.l.], v. 17, n. 2, p. 188 - 201, nov. 2023.
ISSN 2503-3395.
Available at: &lt;<a href="http://103.29.196.112/index.php/ecotrophic/article/view/97835" target="_new">http://103.29.196.112/index.php/ecotrophic/article/view/97835</a>&gt;. Date accessed: 16 dec. 2025.
doi: <a href="https://doi.org/10.24843/EJES.2023.v17.i02.p03">https://doi.org/10.24843/EJES.2023.v17.i02.p03</a>.