Noor, Nurhafihz, and Sim, Karen S. (2024) Impact of AI on the Flower of Service Model in the Hospitality Industry. In: Correia, Ricardo, Martins, Márcio, and Fontes, Ruta, (eds.) AI Innovations for Travel and Tourism. IGI Global, Hershey, PA, USA, pp. 58-81.

Thirumaran, K., Mohammadi, Zohre, Pourabedin, Zahra, Azzali, Simona, and Sim, Karen (2021) COVID-19 in Singapore and New Zealand: newspaper portrayal, crisis management. Tourism Management Perspectives, 38. 108849.

Minh, Xuan Dam, Sabacan, Redeem Faith J., Sim, Karen S., and Thirumaran, K. (2021) Geophysical and cultural realities: tourism policy of Bhutan and Maldives. In: Azzali, Simona, and Thirumaran, K., (eds.) Tropical Constrained Environments and Sustainable Adaptations: businesses and communities. Managing the Asian Century . Springer Nature, Singapore, pp. 115-130.

Bhushan Prabhugaonkar, Yash, Minh, Dam Xuan, Thirumaran, K., Sim, Karen S., Pruhtpahon, Sapon, and Raghav, Mohit (2020) Asian entreprenuership in tourism and hospitality: financial support, business sustainability. In: Masouras, Andreas, Maris, Georgios, and Kavoura, Androniki, (eds.) Entrepreneurial Development and Innovation in Family Businesses and SMEs. IGI Global, Hershey, PA, USA, pp. 1-21.