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_d72714
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008 190922b ||||| |||| 00| 0 eng d
040 _aBD-DhPL
_bEnglish
_cBD-DhPL
_dBD-DhPL
082 _a028.5 / D756n
245 _aThe new explaining why /
_cThomas I. Dowling ...[et al.].
250 _aTeachers ed.
260 _aPhiladelphia :
_bJohn C. Winston,
_cc 1957.
300 _aVols. :
_bill. ;
_c23 cm.
490 _aUnderstanding science.
505 _aV. 4-- ;
508 _a327
650 _aReading and use of other information media.
_9263096
650 _aScience -- Study and teaching (Elementary).
_9263097
700 _aDowling, Thomas I. ...[et al.].
_9154934
942 _2ddc
_cBK