TY  - BOOK
AU  - Nölker,Helmut
AU  - Schoenfeldt,Eberhard
TI  - Vocational training: teaching, curriculum, planning 
SN  - 0852266359
U1  - 374.013 
PY  - 1980///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Vocational teachers
ER  -