000 00568nam a2200157Ia 4500
005 20241120172433.0
008 241119s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a641.106
_bUNESCO
100 _aUnesco Division of Science Technical and Environmental Education
245 0 _aFirst technical report of the new unesco project to improve primary school performance through improved nutrition and health
260 _aParis
_bUnesco Division of Science Technical and Environmental Education
_c1989
300 _a55p
546 _aENGLISH
942 _cBK
999 _c22975
_d22975