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Happiness at work research: figures and trends every monthhttps://2daysmood.com/us/news/happiness-at-work-research-figures-and-trends-every-month/The municipality of Alphen aan den Rijn turns work happiness into an organizational goalhttps://2daysmood.com/us/customer-stories/the-municipality-of-alphen-aan-den-rijn-turns-work-happiness-into-an-organizational-goal/