000
00276nam a2200109Ia 4500
008
231219s2009 xx 000 0 und d
041
_a
eng
100
_a
JOHN W BEST
245
_a
RESEARCH IN EDUCATION
260
_a
DELHI
_b
PHI LEARNING PRIVAT LTD DELHI
_c
2009
300
_a
510p
999
_c
342428
_d
342428