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Pilot-scale production of the rotifer Brachionus sp. under different culture systems von Rojo-Cebreros, A H, Ibarra-Castro, L, Guerrero-Carlock, E, Sánchez-Téllez, J L, Alvarez-Lajonchère, L

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Construct and Convergent Validity of the OIS-Garcia （Optimist Interactive Style） Scales in a Mexican Population von Cirilo H. Garcia Hector L. Diaz Arnoldo Tellez Fuensanta Lopez Juan Martinez Lorenzo Sanchez Enrique Garcia

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