RAHMAN, M. S.; GOFUR, M. R.; RAHMAN, M. M.; BARI, F. Y.; JUYENA, N. S. Effect of Skim Milk and Tris-citrate Extenders to Preserve the Semen of Indigenous Ram of Bangladesh. Asian Journal of Biology, v. 5, n. 2, p. 1-11, 23 fev. 2018.