Sikandar Hayat , Bilal Idress, Dr. Jawad Karamat, Naseer Muhammad, Muhammad Subhan, Dr.Arshad Iqbal. “Systematic And Un-Systematic Factors Influencing Profitability In The Energy Sector Of Pakistan”. Migration Letters 21, no. S11 (June 3, 2024): 72–83. Accessed November 22, 2024. https://migrationletters.com/index.php/ml/article/view/10630.