TY JOUR TI Efficiency of Application of Municipal Wastewater Sludge During Reclamation of Oily Gray Forest Soil KW JO Bulletin of Nizhnevartovsk State University AU Utombaeva, A.. AU Kuznetsova, T.. AU Vershinin, A.. AU Zainulgabidinov, E.. AU Petrov, A.. PY 2023 IS PB Nizhnevartovsk State University