, Instituto de Investigaciones Agropecuarias “Jorge Dimitrov”, Carretera de Bayamo a Manzanillo, km 17, Peralejo. Bayamo, Granma. Cuba, Cuba

• Cuban Journal of Agricultural Science Vol. 49 No. 1 (2015): Cuban Journal of Agricultural Science - Animal Science
  Factors determining the efficiency of milk production in systems of double purpose in Pastaza province, Ecuador
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