000 00444 a2200169 4500
005 20250829154857.0
020 _a0749248386
082 _a371.30281
_bOPE
100 _aThe Open University
_91081
245 _aEffective tutorials
_b: Open teaching toolkit
_cThe Open University
260 _aMillon Keynes:
_bThe Open University,
_c1993.
300 _a44p.
500 _aPB
546 _aEng
650 _aStudy method of
_945120
942 _cBK
999 _c19940
_d19940