BIEHL, P.; MILLER, R. The New Math of Grassroots Community Work (1+10 = 50,000: In Four and One-Half Months). Reflections: Narratives of Professional Helping, [S. l.], v. 2, n. 4, p. 21–28, 2014. Disponível em: https://reflectionsnarrativesofprofessionalhelping.org/index.php/Reflections/article/view/451. Acesso em: 28 mar. 2024.