Crnogaj, K. and Gajšt, N. (eds.) (2024) “Enhancing User Engagement in the Mobile App: An Agile Approach to New Product Development in the Queue App”, in Ošlovnik, T. et al., Študije primerov EPF: Razvoj, trajnost in inovacije v poslovni praksi 2024. University of Maribor Press, pp. 231–248. doi:10.18690/um.epf.8.2024.9.