Science; suggestions for teaching

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110 2 ‡aPhiladelphia Suburban School Study Council. ‡bGroup C.
245 1 0 ‡aScience; ‡bsuggestions for teaching.
260 ‡aPhiladelphia, ‡bEducational Service Bureau, University of Pennsylvania, ‡c1958.
300 ‡avii, 265 p. ‡billus. ‡c21 cm.
504 ‡aIncludes bibliographies.
538 ‡aMode of access: Internet.
650 0 ‡aScience ‡xStudy and teaching
710 2 ‡aUniversity of Pennsylvania. ‡bSchool of Education. ‡bEducational Service Bureau.
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