VARINA, Firna; HARTOYO, Sri; KUSNADI, Nunung; RIFIN, Amzul. The Determinants of Technical Efficiency of Oil Palm Smallholders in Indonesia. International Journal of Economics and Financial Issues, [S. l.], v. 10, n. 6, p. 89–93, 2020. Disponível em: https://econjournals.com/index.php/ijefi/article/view/10594. Acesso em: 22 nov. 2024.