SINTURAT , P. A study of learning achievement using pre- and post-unit tests in an ornamental plant production course among vocational certificate students. Journal for the Agriculture, Biotechnology and Education, [S. l.], v. 5, n. 2, p. 57–64, 2025. Disponível em: https://jabedu.com/index.php/jabedu/article/view/94. Acesso em: 4 feb. 2026.