RIEGEL, Marion; SCHICK, Matthias; KLÖBLE, Ulrike; FRITZSCHE, Stephan. Arbeitszeitbedarf in der ökologischen Mastschweinehaltung. agricultural engineering.eu, [S. l.], v. 64, n. 2, p. 116–118, 2009. DOI: 10.15150/lt.2009.648. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2009-64-2-116-118. Acesso em: 20 apr. 2024.