I am Dr. Razaz Mohamed Abdullah Mansour, Sudanese. I work as a university lecturer. Do you have a problem preparing your research, whether you are an undergraduate or postgraduate student, from the plan to statistical analysis and research formatting in accordance with the academic plan? I can help you with that. I also teach all courses related to Econometrics and Social Statistics. Tel: 0( Phone number appears when clicking the contact button ) WhatsApp 00249911318106