00573 a2200193 4500 331.07 KIR 18896 29131 Wanasinghe, Ananda Kirindi oya irrigation and settlement project pre project socioeconomic conditions Colombo Agrarian Research and Training Institute 1983 1983 xiv,122p. 29cm Research study No: 59 Economics Labor economics Tennakoon, D. Sumanasekare, H. D. Wijetunga. D. M. A. L 46690 46690 0 0 0 0 LEN MKDL MKDL LEN 2009-06-30 0 331.07KIR 58438 2009-06-30 00:00:00 0.00 2016-10-31 L