NDORO, J.; MUDHARA, M.; CHIMONYO, M. Livestock extension programmes participation and impact on smallholder cattle productivity in Kwazulu-Natal: A propensity score matching approach. South African Journal of Agricultural Extension, [S. l.], v. 42, n. 2, p. 62 –, 2015. DOI: 10.4314/sajae.v42i2. Disponível em: https://www.ajol.info/index.php/sajae/article/view/115961. Acesso em: 17 oct. 2026.