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			VARINA, Firna et al.
 Efisiensi Teknis Perkebunan Kelapa Sawit Mandiri di Indonesia.
<strong>Jurnal Ekonomi Kuantitatif Terapan</strong>, [S.l.], p. 59-73, feb. 2021.
ISSN 2303-0186.
Tersedia pada: &lt;<a href="https://ojs.unud.ac.id/index.php/jekt/article/view/62367" target="_new">https://ojs.unud.ac.id/index.php/jekt/article/view/62367</a>&gt;. Tanggal Akses: 01 sep. 2026
doi: <a href="https://doi.org/10.24843/JEKT.2021.v14.i01.p04">https://doi.org/10.24843/JEKT.2021.v14.i01.p04</a>.