Mohammad Amzad Hossain Sarker, and Sumayya Begum. “MARKETING STRATEGIES FOR TOURISM INDUSTRY IN BANGLADESH: EMPHASIZE ON NICHE MARKET STRATEGY FOR ATTRACTING FOREIGN TOURISTS”. Researchers World - International Refereed Social Sciences Journal, vol. 4, no. 1(1), Sept. 2021, pp. 103-7, https://www.researchersworld.com/index.php/rworld/article/view/1124.