CHAUDHARY, Anil Kumar; WARNER, Laura A.; STOFER, Kathryn A. Online Certificate Program Moves Participants to Advanced Stages of Concern for Social Marketing. Journal of Agricultural Education, [S. l.], v. 58, n. 4, p. 210–224, 2017. DOI: 10.5032/jae.2017.04210. Disponível em: https://jae-online.org/index.php/jae/article/view/709. Acesso em: 30 apr. 2026.