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1.
Recursos naturales / Natural resources
Castillo, Adira.
Guatemala; ASIES; jul. 1993. 115 p. ilus.(Educación Ambiental Módulos de Autoaprendizaje para Maestros de Educación Primaria, 2).
Monography in Spanish | LILACS | ID: lil-175588

Subject(s)
Humans , Male , Female , Conservation of Energy Resources/economics , Conservation of Natural Resources/economics , Water Resources Development/economics , Environmental Health/trends , Health Education , Technology, Industry, and Agriculture , Culturally Appropriate Technology/economics
2.
Innovative and low cost technologies utilized in sewerage
Azevedo Netto, José M; Reid, Raymond.
Washington, D.C; Pan Américan Health Organization; 1992. 94 p. ilus.(PAHO. Technical Series (HEP), 29).
Monography in English | LILACS | ID: lil-371172

Subject(s)
Equipment and Supplies , Culturally Appropriate Technology/economics , Wastewater , Caribbean Region , Latin America
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