1. Assistant Professor, Faculty of Management Studies, Univ. of Central Punjab, Lahore, Pakistan, and Ph.D. Scholar, GC Univ., Lahore, Pakistan (corresponding author).
2. GM (Operations), Lahore Waste Management Company, Lahore, Pakistan.
3. Statistical Officer, Federal Board of Revenue, Lahore, Pakistan.
4. Lecturer, Faculty of Commerce, Univ. of Central Punjab, Lahore, Pakistan.