RAHEL VERONIKA; ARSISKA SARI; DAFA ARIZA; KHAIRANI ALAWIYAH MATONDANG. Peran Koperasi dalam Meningkatkan Kualitas Sumber Daya Manusia melalui Hilirisasi Kelapa Sawit di Riau. J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 4, n. 6, p. 344–351, 2025. DOI: 10.56799/jceki.v4i6.10102. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/10102. Acesso em: 26 aug. 2026.