RAHARJA, Sam’un Jaja.
 ANALISIS SOFT SYSTEMS METHODOLOGY (SSM) DALAM PENGELOLAAN DAERAH ALIRAN SUNGAI:  STUDI  PADA SUNGAI CITARUM  JAWA BARAT.
<strong>Bumi Lestari</strong>, [S.l.], v. 9, n. 1, p. 20-29, feb. 2009.
ISSN 2527-6158.
Available at: &lt;<a href="http://103.29.196.112/index.php/blje/article/view/613" target="_new">http://103.29.196.112/index.php/blje/article/view/613</a>&gt;. Date accessed: 18 dec. 2025.