000 00290nam a22001337a 4500
020 _a335031854
082 _a375
_bOPC
245 _aCurriculam design and implementation
260 _aUK:
_bThe open university,
_c1972.
300 _a118p.
500 _aSB
546 _aEng
942 _cREF
999 _c67592
_d67592