Online ISSN: 2455-7188 IMPACT FACTOR: 0.7261 Thomson Reuters Researcher ID: J-5005-2016 CERTIFICATE OF PUBLICATION This is to Certify that Mr./Mrs./Ms./Dr. Hasan Almsalla, Dr. Umesh Chandra has published research paper in " INTERNATIONAL JOURNAL OF INNOVATIVE RESEARCH IN MANAGEMENT STUDIES (IJIRMS) peer reviewed and refereed journal, Volume- 5, Issue- 6, June 2021, pp. 1-5." Paper Title:- " STUDY ON DIGITAL MARKETING STRATEGIES AT THE PHARMACEUTICAL SECTOR " Chief Editor