PUSPITASARI, S. Sampul Belakang 32 1 2014. Jurnal Penelitian Karet, [S. l.], v. 32, n. 1, p. i-iii, 2014. DOI: 10.22302/ppk.jpk.v32i1.205. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/205. Acesso em: 22 dec. 2024.