Contracting Of The Execution Of The Work Improvement And Expansion Of The Basic Sanitation System In The Communities Of Vilcaro, Manasqui, Pfaco And Pallparo Of The District Of Coyllurqui - Province Of Cotabambas - Department Of Apurimac - Contracting Of The Execution Of The Work Corresponding To: Improvement And Expansion Of The Basic Sanitation System In The Communities Of Vilcaro, Manasqui, Pfaco And Pallparo Of The District Of Coyllurqui - Province Of Cotabambas - Department Of Apurimac¿, Cui No. 2414963