00484 a2200157 4500 9789555079402 631.4 WIC 14605 21725 වික්‍රම, කේ.ඒ.එස්. පස පිළිබද හැදින්වීමක් an introduction to soil lowa කේ.ඒ.එස්. වික්‍රම 2008 2008 136p. 21cm AGRICULTURE SOIL SCIENCE L 42779 42779 0 0 0 0 LEN MAIN MAIN LEN 2009-03-03 0 631.4WIC 28001 2017-09-02 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-03-03 0 631.4WIC 28000 2017-09-02 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-03-03 0 631.4WIC 28002 2017-09-02 00:00:00 0.00 2016-10-31 L