Author Search Results :: UTM Library Massive Scholar Tracking

1

Preliminary results of the study of meteorological effects on the productivity of the Panama bight by Walter Ritter Ortíz, Sergio Guzmán Ruíz

Published 1979-04-01

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2

Un método gráfico para la regionalización agroecológica de recursos naturales by Walter Ritter Ortiz, Sergio Antonio Guzmán Ruiz, Alfonso Estrada Betancurt

Published 1999-01-01

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3

Un método gráfico para la regionalización agroecológica de recursos naturales by Walter Ritter Ortiz, Sergio Antonio Guzmán Ruiz, Alfonso Estrada Betancourt

Published 1999-01-01

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Article