Construction Of Coverage Of Sports Facilities; In The I.E. Efraín Roca Gambini In The Town Center Of Atojpampa, District Of Huayllan, Pomabamba Province, Ancash Department With Unique Investment Code N° 2708797 - Contracting For The Execution Of The Work: Construction Of Sports Facilities Coverage; In The I.E. Efraín Roca Gambini In The Town Center Of Atojpampa, Huayllan District, Pomabamba Province, Ancash Department With Unique Investment Code N° 2708797