000 00340 a2200121 4500
082 _a613.1
_bPRI
090 _c17350
_d26546
245 _aPrimary school physical environment and health
_bWHO global school health initiative
260 _aGeneva
_bWHO
_c1997
_g1997
300 _avii,884p.
_c24cm
650 _aEnvironmental Factors
942 _cPR
999 _c45289
_d45289