@book { SustainablePerspectivesinBusinessEconomicsandEducation, title = "Sustainable Perspectives in Business, Economics and Education", subtitle = "Theoretical and Empirical Approaches", author = "Venelin {Terziev}", year = "2025", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/b22751", url = "https://www.peterlang.com/document/1568121" }