INTERNATIONAL JOURNAL OF BUSINESS AND ADMINISTRATION RESEARCH REVIEW (IJBARR) (www.ijbarr.com) Bangalore-560083, INDIA. Print ISSN: 2348-0653 Online ISSN: 2347-856X CERTIFICATE OF PUBLICATION This is to Certify that Mr./Mrs./Ms./Dr. Dr. James Elirehema Mrema has published research paper in " International Journal of Business and Administration Research Review (IJBARR) peer reviewed and refereed journal, Volume- 11, Issue- 2, May 2024, pp. 1-18." Paper Title:- " GAUGING PERCEPTIONS OF EMPLOYEES AND CUSTOMERS ON THE IMPACT OF ADOPTION OF GOVERNMENT ELECTRONIC PAYMENT GATEWAY (GEPG) SYSTEM: THE CASE OF THE NATIONAL SOCIAL SECURITY FUND (NSSF), TANZANIA " Chief Editor Managing Editor