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024 _a86,684
037 _cTextual
040 _aARTS
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041 _2eng
_aeng
082 _aT:31, J0
100 _aHass K B
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245 0 _cHass K B; Packer H Q
_aPreparation and use of audio visual aids
260 _c1950
650 _aEDUCATION
700 _a Packer H Q
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942 _hT:31, J0
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999 _c210381
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