00437nam a2200157Ia 450000500170000000800410001702000150005804100080007308200100008110000500009124500710014126400270021230000200023965000060025965500140026520260731111214.0260731s9999    xx            000 0 und d  a1234567890  aeng  a371.31 aGurian, Michael ; Kathy Stevens & Kelley King10aStrategies For Teaching Boys & Girls, Secondary Level, Grades 6-12  aUSAbJossey-Bassc2008  a172 hlm.c28 cm 4a0  aGrade 7-9