Contracting Of The Construction Consulting Service For The Preparation Of The Technical File Of The Investment Project: Expansion And Improvement Of The Drinking Water And Sanitation Services In The Town Of Bajo Aldea, District Of Perene - Chanc - Contracting Of The Construction Consulting Service For The Preparation Of The Technical File Of The Investment Project: Expansion And Improvement Of Drinking Water And Sanitation Services In The Locality Of Bajo Aldea, District Of Perene - Chanchamayo - Junin", With Cui N° 2284090.