Ribeiro I, Costa EM, Pinto AP, Dias TKM, de Souza HG. Production function for livestock and technical efficiency in the Northeast Brazil. Rev. Polit. Agric. [Internet]. 2021 Dec. 30 [cited 2026 Sep. 20];30(4):30. Available from: https://rpa.sede.embrapa.br/RPA/article/view/1637