Title:Seasonal changes in the somatic indices of the freshwater silverside, Odontesthes bonariensis (Teleostei, Atheriniformes) from a Neotropical shallow lake (Argentina) / Mudanças sazonais nos índices somáticos do Odontesthes bonariensis (Teleostei, Atheriniformes) em uma lagoa da região Neotropical (Argentina)
Title:Ecological aspects of phebotomine (Diptera, Psychodidae) in an endemic area of tegumentary leishmaniasis in the Northeastern Argentina, 1993-1998
Title:Dossier: Políticas urbanas recientes y empresarios en la construcción de la ciudad / Dossier: Recent urban policies and real estate entrepreneurs in the construction of the city
Title:Análisis de la actividad comercial para la sostenibilidad en los negocios del cantón Sucre / Analysis of the commercial activity for sustainability in the Sucre canton businesses