Hiring For The Execution Of The Work Of The Iarar: Elevator Construction; In The (The) Marginal Expansion Of The Building Or Civil Works Of The Faculty Of Zootechnics Of The National Agricultural University La Molina District Of La Molina, Province - Contracting For The Execution Of The Work Of The Iarar: Construction Of Elevator; In The (The) Marginal Expansion Of The Building Or Civil Works Of The Faculty Of Zootechnics Of The National Agrarian University La Molina District Of La Molina, Lima Province, Lima Department, With The Single Code Of Inve