Fatemeh Sadat Ghasemi, Alireza Kazemian Talkhooncheh and Miri Lavasani, M.R. 2022. Evaluation of the effectiveness of anomalous systems in gas subsidiaries (Case study of Alborz Gas Company): Evaluation of the effectiveness of anomalous systems in gas subsidiaries. Journal of Geotechnology and Energy. 39, 3 (Oct. 2022). DOI:https://doi.org/10.7494/jge.2022.39.3.5025.