000
00310nam a2200145Ia 4500
008
221121s9999 xx 000 0 und d
041
_a
ENGLISH
082
_b
HAS
100
_a
HASAN,A
245
0
_a
PEDAGODY OF SCIENCE
260
_b
APH PUBLICATION
300
_a
340
650
_a
SCIENCE
942
_c
REF
999
_c
178097
_d
178097