Aggarwal, M., and P. Suklabaidya. “Role of Visitor Management for Enhanced Visitor Experience AtUNESCO World Heritage Sites:A Case Study of QutubMinar andHumayun’s Tomb”. Atna Journal of Tourism Studies, vol. 12, no. 1, Jan. 2017, pp. 15-34, doi:10.12727/ajts.17.2.