000 00454nam a2200169Ia 4500
008 230715s9999 xx 000 0 und d
041 _aEnglish
100 _aWanigasekara, P.A.
245 2 _aA Study on Drop-Outs in the Junior Secondary Level in Gem Mining Areas in Sri Lanaka
260 _aMaharagama
_c1989
300 _a69p.
502 _cNIE
_bPGDEM
_d1989
650 _aEducation Management
650 _aGems
650 _aPGDEM
942 _cTH
999 _c91549
_d91549