00460 a2200157 4500 955207018X 001.42 JAY 25786 44568 ජයසිංහ, ඒ.කේ.ජී. සමාජ විද්‍යාත්මක විධික්‍රම කොළඹ ඇස්. ගොඩගේ 2005 2005 208p. 21cm. Knowledge Research Methods L 52707 52707 0 0 0 0 LEN MAIN MAIN LEN 2010-06-07 0 001.42JAY 30579 2017-08-22 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2010-06-07 0 001.42JAY 30580 2017-08-22 00:00:00 0.00 2016-10-31 L 1 0 ddc 0 0 LEN MAIN MAIN LEN 2010-06-07 0 001.42JAY 30578 2010-06-07 00:00:00 0.00 2016-10-31 L According to the decision of the 186th Council held on 27.02.2018