@inbook {drakopoulos2013maslow,
	title = {Maslow{\textquoteright}s needs hierarchy and the effect of income on happiness levels},
	booktitle = {The Happiness Compass: Theories, Actions and Perspectives for Well-Being,},
	year = {2013},
	publisher = {Nova Science},
	organization = {Nova Science},
	address = {New York},
	author = {Drakopoulos, Stavros A and Grimani, Katerina}
}
