000 003000000a22001090004500
245 _aCurriculum innovation through population education
100 _aJayasuriya, J.E.
260 _aColombo
_bAssociated Educational Publications
_c1978
080 _a372.8:312(548.7)
_bJ3
041 _aEN
942 _cBK
999 _c62452
_d62452