RIZAL, Said. ANALISIS PENDAPATAN USAHATANI KELAPA SAWIT KECAMATAN PADANG TUALANG. Agriprimatech, [S. l.], v. 2, n. 2, p. 41–45, 2019. Disponível em: http://139.162.50.187/index.php/Agriprimatech/article/view/780. Acesso em: 2 apr. 2026.