Edom, Helen. Deneylerle bilim / Helen Edom, Moira Butterfield, Rebecca Heddle, Mike Unwin. - 23. bs. - Ankara : TÜBİTAK, 2005. - 73 s. : renkli resimli ; 21 cm. ISBN: 9754031517 Subjects--Topical Terms: Bilim -- Deneyler.Science -- Experience. Dewey Class. No.: 500 / EDO/D