SCHUMACHER, Leon G.; JOHNSON, Donald M. Time Series Analysis Of Agricultural Education Student Teachers’ Perceptions Of Agricultural Mechanics Lab Management Competencies. Journal of Agricultural Education, [S. l.], v. 31, n. 4, p. 2–8, 1990. DOI: 10.5032/jae.1990.04002. Disponível em: https://jae-online.org/index.php/jae/article/view/2198. Acesso em: 15 aug. 2024.