00663nam a2200217Ia 4500 12247 OSt 20261006004419.0 120911s9999 xx 000 0 und d 9780205642403 ddc 370.72 WIE Wiersma, William. 12509 Research methods in education : an introduction / William Wiersma, Stephen G. Jurs. 9th ed. Pearson/Allyn and Bacon, Boston : c2009. xxiii, 493 p. : ill. ; 24c m. + 1 CD-ROM (4 3/4 in.) Education Research. 12510 Jurs, Stephen G. 12511 ddc OS 12247 12247 0 0 ddc 0 0 NU NU 2012-09-11 2 370.72 WIE 12463 2026-05-21 00:00:00 2026-05-21 2012-09-11 OS