00892cam a2200217 a 450000500170000000800410001702000150005804000230007308200260009610000270012224501470014926000440029630000230034049000300036350400520039365000630044565000520050865000470056070000180060783000490062520181210083141.0960612s1996    dcu      b   i000 0 eng    a082133672X  aDLCcDLCdBD-DhBPA00a371.716220bWOC 19961 aDel Rosso, Joy Miller.10aClass action :bimproving school performance in the developing world through better health and nutrition /cJoy Miller Del Rosso, Tonia Marek.  aWashington, D.C. :bWorld Bank,cc1996.  av, 54 p. ;c23 cm.1 aDirections in development  aIncludes bibliographical references (p. 51-54). 0aSchool childrenxHealth and hygienezDeveloping countries. 0aMalnutrition in childrenzDeveloping countries. 0aChildrenxNutritionzDeveloping countries.1 aMarek, Tonia. 0aDirections in development (Washington, D.C.)