IMMANUEL; SUHARNO; RIFIN, Amzul. THE PROGRESSIVE EXPORT TAX AND INDONESIA’S PALM OIL PRODUCT EXPORT COMPETITIVENESS. Buletin Ilmiah Litbang Perdagangan, [S. l.], v. 13, n. 2, p. 211–232, 2019. DOI: 10.30908/bilp.v13i2.417. Disponível em: https://jurnal.kemendag.go.id/index.php/bilp/article/view/417. Acesso em: 2 apr. 2025.