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							ASRIZAL, Asrizal; 						DHARMAWATI, Nuraeni Dwi; 						PURWOTO, Harsunu.
 Efektivitas Rorak untuk Konservasi Tanah pada Perkebunan Kopi.
<strong>Jurnal BETA (Biosistem dan Teknik Pertanian)</strong>, [S.l.], v. 10, n. 1, p. 197-205, apr. 2022.
ISSN 2502-3012.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/beta/article/view/84781" target="_new">https://ojs.unud.ac.id/index.php/beta/article/view/84781</a>&gt;. Date accessed: 29 aug. 2026.
doi: <a href="https://doi.org/10.24843/JBETA.2022.v10.i01.p21">https://doi.org/10.24843/JBETA.2022.v10.i01.p21</a>.