"Selection Of A Contractor For The Preparation Of A Complex Report For The Assessment Of Compliance With The Main Requirements For Construction And The Exercise Of Construction Supervision During The Construction Of A Site: Road Iii-1102 "Archar - Izvor - Dimovo - Ostrokaptsi - Kladorub - Salash" (P. Salash) From Km 45+000 To Km 50+075,52 Vidin Region"