000 00391nam a2200133Ia 4500
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041 _aEnglish
245 0 _aOperational Techer Training Objectives and Raising Achievement Levels A Monograph
260 _aBangkok :
_bUnesco Regional Office,
_c1986
300 _a39p.;
_c21cm
650 _aMonograph
942 _cMG
999 _c154592
_d154592