STRONG, Robert; HARDER, Amy. Developing an Instrument to Examine Master Gardeners’ Participation Motives. Journal of Agricultural Education, [S. l.], v. 53, n. 3, p. 71–83, 2012. DOI: 10.5032/jae.2012.03071. Disponível em: https://jae-online.org/index.php/jae/article/view/1938. Acesso em: 12 aug. 2024.