000
00305nam a2200109Ia 4500
008
230130s1990 xx 000 0 und d
041
_a
eng
082
_a
330.195
100
_a
Koul, L.
_9
1487212
245
_a
Methodology of Educational Research
260
_a
N.Delhi
_b
Vikas, Publishing House Pvt.Ltd.,
_c
1990
999
_c
969852
_d
969852