000 00318nam a2200121Ia 4500
008 190415s9999 xx 000 0 und d
082 _aRT.0042
100 _aThiruvenkatachari, K.
245 0 _aOperational research in rice marketing : A study in Thanjavur district
260 _c1989
300 _a74p.
942 _cBK
999 _c17574
_d17574