TY  - BOOK
AU  - Chakadini,Hilda
ED  - University of Zimbabwe.
TI  - Shift work system as a contributory factor towards absenteeism among PTC Harare Exchange operators: case study 
PY  - 1986///
CY  - [S.l.
PB  - s.n.]
N1  - Thesis (B.S.W.)--University of Zimbabwe, 1986
ER  -