ZAINI, Achmad. Analisis Tingkat Pencapaian Swasembada Beras di Kalimantan Timur. SOCA: Jurnal Sosial Ekonomi Pertanian, [S.l.], p. 162-168, july 2010. ISSN 2615-6628. Available at: <http://103.29.196.112/index.php/soca/article/view/48734>. Date accessed: 17 dec. 2025.