000 00318nam a22001217a 4500
005 20250829163354.0
082 _a378.7284
_bINE
245 _aEducational Reform and instructional television in el Salvador: costs, benefits, and payoffs
260 _aWashington:
_c1972.
300 _a26p.
546 _aEng
942 _cBK
999 _c55058
_d55058