Peters, David A.
Principles of supervision - London Longmans 1967 - ix, 85 p.- - Longman's supervisory series vol 1 .
222419
Supervision of employes
658.3 / PET
Principles of supervision - London Longmans 1967 - ix, 85 p.- - Longman's supervisory series vol 1 .
222419
Supervision of employes
658.3 / PET