PUSPITASARI, S. Sampul Belakang 36 1 2018. Jurnal Penelitian Karet, [S. l.], v. 36, n. 1, p. xvi - xx, 2021. DOI: 10.22302/ppk.jpk.v36i1.566. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/566. Acesso em: 22 dec. 2024.