ANDINI, U. R. .; HOT SETIADO; SIREGAR, L. A. M. . The Effect of Vernalization on the Appearance of Local Amaryllis (Hippeastrum sp.) Plants in the Land of Karo and West Sumatera. Jurnal Online Pertanian Tropik, [S. l.], v. 6, n. 1, p. 24–33, 2019. DOI: 10.32734/jopt.v6i1.3036. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/3036. Acesso em: 4 aug. 2025.