Middle class as a precondition of a sustainable society : fifteen years later,
Avangard Prima, 2015, 270 p., 978-619-160-504-0.
.
Middle class as a precondition of a sustainable society : fifteen years later.
Sofia: Avangard Prima, 2015, 270 p., 978-619-160-504-0.
(2015)
Middle class as a precondition of a sustainable society : fifteen years later,
Sofia: Avangard Prima, 270 p., 978-619-160-504-0
(2015).
Middle class as a precondition of a sustainable society : fifteen years later. Proceedings from the second international conference on the middle class. Sofia: Avangard Prima, 270 p..
