00720cam a22001697a 4500008004000000082001800040100002600058245014700084260004300231300000900274440003000283650004800313650006300361700001700424999001900441952009000460180718b1996 xxu||||| |||| 00| 0 eng d aO95x1724 R737 aRosso, Joy Miller Del aClass action: improving school performance in the developing world through better health and nutritioncby Joy Miler Del Rosso and Tonia Marek aWashington, D.C.bThe World Bankc1996 a54p. aDirections in development aChildren - Developing countries - Nutrition aSchool children - Hearth and hygine - Developing countries aMarek, Tonia c269214d269214 00104070aIIPAbIIPAd1997-03-11oO95x1724 R737pWB7242r2018-07-20w2018-07-20yWB