000 005310000a22001690004500
041 _asin
080 _a027.64(548.7)(058.7)
_bA5
942 _cBK
110 _aSri Lanka National Library Services Board
700 _aAmaradiri, Upali comp.
245 _aSri Lankaawe Kaarmika aayathana Pusthakaala thorathuru sangrahaya
260 _aColombo
_bSri Lanka National Library Services Board
_c[n.d]
300 _axiii, 21p.
500 _aText in sinhala
650 _aLIBRARIES-SRI LANKA
650 _aTECHNICAL EDUCATION-SRI LANKA
999 _c166393
_d166393