διευθυντρια προσωπικου Investopedia.com διευθυντρια προσωπικου human resources human resources (HR) Human Resources (HR "Human Resources (HR)" Human Resources (HR) HR According to the Society for Human Resource Management HR HR HR Investopedia.com http://www.investopedia.com/terms/h/humanresources.asp HR human resources Human Resources (HR) human resources HR HR HR departments Human Resources (HR) "Human Resources (HR)" Investopedia HR HR Human Resource HR According to the Society for Human Resource Management