INDRAWANIS, ELFI. STUDI KELAYAKAN PERKEBUNAN KELAPA SAWIT POLA KEMITRAAN (STUDI KASUS PADA PT.CITRA RIAU SARANA) DAN KUD LANGGENG. Jurnal Ilmiah Pertanian, [S. l.], v. 2, n. 1, p. 31–36, 2005. DOI: 10.31849/jip.v2i1.1368. Disponível em: https://journal.unilak.ac.id/index.php/jip/article/view/1368. Acesso em: 30 apr. 2026.