When “social existence determines consciousness”: the influence of political system on psychological well-being, happiness, proactive coping, and depression levels among Polish and Russian citizens : a cross-cultural study

Journal of Education, Health and Sport, Tom 7, Numer 4 (2017) s. 342-359
Alexandr Erzin, Zuzanna Gazdowska, Małgorzata Piotrowska-Półrolnik