FAUZI, I. R.; SYARIFA, L. F.; HERLINAWATI, E.; SIAGIAN, N. KERAGAAN SISTEM PREMI PENYADAP DI BEBERAPA PERUSAHAAN PERKEBUNAN KARET. Jurnal Penelitian Karet, [S. l.], v. 32, n. 2, p. 157–180, 2014. DOI: 10.22302/ppk.jpk.v32i2.162. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/162. Acesso em: 22 jul. 2024.