PUSPITASARI, S. Sampul Depan 32 1 2014. Jurnal Penelitian Karet, [S. l.], v. 32, n. 1, p. i-xvi, 2012. DOI: 10.22302/ppk.jpk.v32i1.204. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/204. Acesso em: 3 jul. 2024.