Guilherme, R. d. F., Lima, A. M. C., Alves, J. R. A., Costa, D. F. d., Pinheiro, R. R., Alves, F. S. F., . . . Alves, C. J. (2017). Characterization and typology of sheep and goat production systems in the State of Paraíba, a semi-arid region of northeastern Brazil. Semina: Ciências Agrárias.

Guilherme, Ricardo de Figueiredo, Ana Milena César Lima, José Romero Alexandre Alves, Diego Figueiredo da Costa, Raymundo Rizaldo Pinheiro, Francisco Selmo Fernandes Alves, Sérgio Santos de Azevedo, and Clebert José Alves. "Characterization and Typology of Sheep and Goat Production Systems in the State of Paraíba, a Semi-arid Region of Northeastern Brazil." Semina: Ciências Agrárias 2017.

Guilherme, Ricardo de Figueiredo, et al. "Characterization and Typology of Sheep and Goat Production Systems in the State of Paraíba, a Semi-arid Region of Northeastern Brazil." Semina: Ciências Agrárias 2017.