Наукова бібліотека Національного університету "Острозька академія" Search for 'Provider:International Office for Water Education,'

The comprehensive water education book, grades K-6.

By Daugs, Donald R..
Logan, UT : International Office for Water Education, 1994 .
xvi, 335 p. : , "Donald R. Daugs"--Spine. | Includes index. 28 cm..

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XXVII, 338 p. 2 illus. in color. 9783319485355

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XXVII, 969 p. 545 illus., 468 illus. in color. 9783319307466

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XXVII, 963 p. 545 illus., 468 illus. in color. 9783319307466