000 00325nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a658.8
082 _bHAJ/P
100 _at.n
_bhajela
245 0 _aprinciples,problems&practice of co-operation
260 _adelhi
260 _bshiva lal agarwala&company
260 _c1981
999 _c1337
_d1337