000
00278nam a2200109Ia 4500
008
220201s1979 xx 000 0 eng d
100
_a
Durgesh Chandra
245
0
_a
Teaching communicationmethods
260
_b
National Productivity Council
_c
1979
300
_a
181
942
_2
ddc
999
_c
80828
_d
80828