000
00294nam a2200121Ia 4500
100
_a
Sharma, Motilal
942
_c
BK
654
_a
245
_a
System approach
_b
its Applications in Education
260
_a
New Delhi
_b
Himalaya Publishing House
_c
1985
082
_a
370.1
300
_a
xvi,552
999
_c
373963
_d
373963
041
_a
eng