Bibliography of happiness : 2472 contemporary studies on subjective appreciation of life / Ruut Veenhoven ; with the assistance of Carla den Buitelaar ... [et al.]. (World datebase of happiness) (Studies in social and cultural transformation)
Bibliography of happiness : 2472 contemporary studies on subjective appreciation of life / Ruut Veenhoven ; with the assistance of Carla den Buitelaar ... [et al.].
(World datebase of happiness) (Studies in social and cultural transformation)