000
00268nam a2200109Ia 4500
008
220712s9999 xx 000 0 und d
040
_c
PTCPalayan
245
0
_a
barrier to careers in scince and engineering
264
_b
UNESCO-UIL
_c
2018
300
_a
54
942
_c
PDF
999
_c
26603
_d
26603