168
Descripción:
“... according to previous research, Colombia has been pointed out as the country with the highest percentage...”
170
Autores Sepúlveda Romero, María Elsy, Moreno Martínez, Edna Piedad, Tovar Mesa, Julián Eduardo, Franco Villalba, Jairo Andrés, Villarraga Tole, Cindy Lizeth
Publicado 2016-03-14
Descripción:
“... A large percentage of the business sector in Colombia are the Small and Medium Enterprises (SMEs...”Publicado 2016-03-14
171
174
Descripción:
“... determined that a significant percentage of rural water (36.8%) was classified as Sanitarily insufficient...”
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176
Descripción:
“... at different percentages. Materials were first characterized (aggregates, asphalt, lime, cement and fly ash...”
178
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