Hussain, Adil, Muhammad Sharif, Ahsan Mahmood, Muhammad Suleman, and Badar Hayat. 2024. “Extraction of Rare Earth Elements (REEs) from Coal Ash of Thar, Pakistan by Chemical Leaching With Novel Deep Eutectic Solvents”. Journal of King Abdulaziz University: Engineering Sciences 34 (2). https://journals.kau.edu.sa/index.php/JENGSCI/article/view/2649.