00765nam a2200253Ia 4500 148116 BIBL 20160527195331.0 880428s1989 caua b 00110 eng 88014422 0534095283 CACG LB1585 .E84 1989 372.3/5044 19 372.35 E76t5 Esler, William K. Local 92971 Teaching elementary science William K. Esler, Mary K. Esler. 5th ed. Belmont, Calif. Wadsworth Pub. Co. c1989. xii, 546 p. ill. 24 cm. Includes bibliographies and index. Science Study and teaching (Elementary) Local 166868 Esler, Mary K. Local 92970 122987 122987 0 0 ddc 0 372_350000000000000_E76T5 0 abl 267774 1 1 17 2016-05-27 Wadsworth 222768 0 372.35 E76t5 60000001987426 2016-05-27 00:00:00 r:148116 z:NCC:D 6