000
00260nam a22000977a 4500
082
_a
370
_b
LAN
100
_a
Lancaster, Otis E ... et al
245
_a
Effective Teaching & Learning /
_c
Otis E Lancaster
260
_a
London
_b
Gordon & Breach
_c
1974
942
_c
BK
999
_c
499682
_d
499682