00443 a2200145 4500 9559653512 338 PAT 2783 3418 පටබැදිගේ, ආනන්ද නිෂ්පාදන න්‍යාය = Theory of production කැළණිය ආනන්ද පටබැදිගේ 2000 2000 xi, 281p. 21cm. PRODUCTION SR 31831 31831 0 0 0 0 SRC MAIN MAIN REF 2008-08-07 0 338PAT 13356 2017-08-29 00:00:00 0.00 2016-10-31 SR 0 0 0 0 LEN MAIN MAIN LEN 2008-09-19 1 338PAT 13354 2017-09-11 00:00:00 2017-06-05 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2008-09-19 1 338PAT 13355 2017-09-11 00:00:00 2017-06-05 0.00 2016-10-31 L 0 0 0 0 SRC MKDL MKDL REF 2009-07-10 0 338.01PAT 58570 2009-07-10 00:00:00 0.00 2016-10-31 SR 0 0 ddc 0 0 LEN MKDL MKDL LEN 2010-03-25 0 338.01PAT 58572 2010-03-25 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MKDL MKDL LEN 2009-09-07 0 338.01PAT 58571 2009-09-07 00:00:00 0.00 2016-10-31 L