MARIYONO, JOKO; 						AGUSTIN, NUR K..
 ECONOMIC OPTIMISATION OF RICE AND SOYBEAN PRODUCTION IN JOGYAKARTA PROVINCE.
<strong>SOCA: Jurnal Sosial Ekonomi Pertanian</strong>, [S.l.], nov. 2012.
ISSN 2615-6628.
Tersedia pada: &lt;<a href="https://ojs.unud.ac.id/index.php/soca/article/view/4137" target="_new">https://ojs.unud.ac.id/index.php/soca/article/view/4137</a>&gt;. Tanggal Akses: 15 oct. 2025