000
00299nam a2200121Ia 4500
001
81341
008
170722s9999 xx 000 0 und d
100
_a
Grace, Gerald R.
245
_a
Role conflict and the teacher /
260
_c
1972.
490
_a
International library of Socilogy
942
_c
GEN
999
_c
86418
_d
86418