Contracting Work Consulting Service For The Reformulation And Updating Of The Technical File Of The Investment Project: Improvement Of The Water System For Irrigation In The Yurac Channel - Uram - Atma Of The Yunga District - Contracting Of The Work Consulting Service For The Reformulation And Update Of The Technical File Of The Investment Project: Improvement Of The Water System For Irrigation In The Yurac Channel - Uram - Atma. From Yungay - Ancash Department,