B. Manag. Q.99
| List-I(Developers) | List-II (Areas) |
| (a) Koontz, H. | 1. The Manager's span of control |
| (b) Urwick, L.F. | 2. The Fragmentation of Authority |
| (c) Atchison | 3.Making Theory Operation: The Span of Management |
| (d) Greenwood | 4. Managerial Decentralisation |
| 5 Directing |
