000 00393 a2200157 4500
020 _a9559707906
041 _aSn
082 _a338.9
_bVIT
100 _aVitharana , Piyasena
245 _aසංවර්ධන සංවාද
260 _c2000
_aDehiwala
_bAuthor
_g2000
300 _c21 cm.
_aviii,300 p.
650 _aPRODUCTION ECONOMICS
650 _aECONOMIC DEVELOPMENT
942 _cSC
999 _c23872
_d25419