Back-matter. Jurnal Perpustakaan Pertanian, Bogor, Indonesia, v. 25, n. 2, 2017. DOI: 10.21082/jpp.v25n2.2016.p%p. Disponível em: https://epublikasi.pertanian.go.id/berkala/index.php/jpp/article/view/202. Acesso em: 11 jul. 2025.