1. Department of Chemistry; Faculty of Science; King Khalid University; Abha Saudi Arabia
2. Center for Energy Resources Engineering; Department of Chemical and Biochemical Engineering; Technical University of Denmark; 2800 Lyngby Denmark
3. Department of Chemical Engineering; NFC Institute of Engineering and Fertilizer Research; Faisalabad Pakistan
4. Department of Chemical Engineering; University of Gujrat; Punjab Pakistan
5. Department of Physics; Faculty of Science; King Khalid University; Abha Saudi Arabia
6. Shale Gas Research Group (SGRG); Institute of Hydrocarbon Recovery (IHR); Universiti Teknologi PETRONAS; Perak Malaysia
7. Department of Chemical Engineering; Universiti Teknologi PETRONAS; Perak Malaysia