000
00275nam a2200109Ia 4500
008
211214s9999 xx 000 0 und d
100
_a
Patel, R. N.
245
_a
Teaching and Learning Mathematics in Modern Times
260
_b
Himalaya
_c
2012
300
_a
450
942
_c
BK
999
_c
101688
_d
101688