Improvement And Expansion Of The Rural Drinking Water Service And Improvement And Expansion Of The Sewage Service Or Other Forms Of Sanitary Disposal Of Excreta In The Town Center Of Huaylasjirca Yanahuanca District Of The Province Of - Work Consulting Service For The Formulation Of The Technical File Improvement And Expansion Of The Rural Drinking Water Service And Improvement And Expansion Of The Sewage Service Or Other Forms Of Sanitary Disposal Of Sanitary Disposal Of Excrete From Huaylasjirca District Of Yana