DUNCAN, A.; TARAWALI, S.; THORNE, P.; VALBUENA, D.; DESCHEEMAEKER, K.; HOMANN-KEE TUI, S. Integrated crop-livestock systems − a key to sustainable intensification in Africa. Tropical Grasslands-Forrajes Tropicales, [S. l.], v. 1, n. 2, p. 202–206, 2013. DOI: 10.17138/tgft(1)202-206. Disponível em: https://www.tropicalgrasslands.info/index.php/tgft/article/view/TGFT%281%29202-206. Acesso em: 30 apr. 2024.