Contracting The Consulting Service For The Supervision Of The Work Improvement And Extension Of The Water Provision Service For Irrigation In The Irrigation System Of The Yanamarca Valley Tunan District Of The Province Of Jauja Del Department - Contracting Of The Consulting Service For The Supervision Of The Work Improvement And Expansion Of The Water Provision Service For Irrigation In The Irrigation System Of The Yanamarca Valley Of Yanamarca Valley Of The Tunan District Of The Province De Junín With Cui 2644794.