- Cărți electroniceThe Psychology of Management The Function of the Mind in Determining, Teaching and Installing Methods of Least WasteLillian Moller Gilbreth
- Cărți electroniceThe Psychology of Management The Function of the Mind in Determining, Teaching and Installing Methods of Least WasteLillian Moller Gilbreth
- Cărți electroniceFatigue StudyLillian Moller Gilbreth
- Cărți electroniceThe Psychology of ManagementLillian Moller Gilbreth