PUSPITASARI, S. Sampul Depan 34 1 2016. Jurnal Penelitian Karet, [S. l.], v. 34, n. 1, p. i-xviii, 2016. DOI: 10.22302/ppk.jpk.v34i1.311. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/311. Acesso em: 22 dec. 2024.