Rafinda MS. Analisis Keberlanjutan Usahatani Kelapa Sawit Rakyat di Simpang Empat. RIGGS [Internet]. 2025 May 28 [cited 2026 Jun. 13];4(2):5635-4. Available from: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/1450