PUSPITASARI, S. Sampul Belakang 32 2 2014. Jurnal Penelitian Karet, [S. l.], v. 32, n. 2, p. i-iv, 2014. DOI: 10.22302/ppk.jpk.v32i2.207. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/207. Acesso em: 22 nov. 2024.