RICHARDSON, William; HOWELL, David; HYNES, Kevin. Development Of Instructional Materials For Use By Indiana Vocational Teachers In Teaching Leadership And Character Development To Youth In Indiana. Journal of Agricultural Education, [S. l.], v. 17, n. 1, p. 1–5, 1976. DOI: 10.5032/jaatea.1976.01001. Disponível em: https://jae-online.org/index.php/jae/article/view/1743. Acesso em: 22 feb. 2025.