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*035  $a(EXLNZ-47BIBSYS_NETWORK)990210151554702201
*035  $a(NO-LaBS)14982011(bibid)
*035  $a(NO-TrBIB)021015155
*035  $a021015155-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aRetrospective vs. prospective analyses of school inputs :$bthe case of flip charts in Kenya$cPaul Glewwe ... [et al.]
*260  $aCambridge, Mass.$bNBER$c2000
*300  $a19, [22] s.
*4901 $aNBER working paper series$v8018
*7001 $aGlewwe, Paul$_33518600
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v8018$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990210151554702202$b2021-11-14T20:14:56Z$z990210151554702202
^