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(Location: IWMI-HQ Call no: R 631.7.8 G744 SRI Record No: H024310)
2 Izumi, K.; Ranatunga, A. S. 1974. Cost of production of paddy: Maha 1972/73: a study based on farm record books maintained in five selected districts. Colombo, Sri Lanka: Agrarian Research and Training Institute (ARTI). 36p. (ARTI Research Study 12)
(Location: IWMI HQ Call no: 641.3318 G744 IZU Record No: H046346)
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