00627nam a2200157 a 4500 20200213071251.0 121013s19uu xx 00 eng d Parallel curriculum units for science, grades 6-12 / Jann H. Leppien, Jeanne H. Purcell, editors. Thosand Oaks, California : Corwin, c2011. 229 p. ; 28 cm. Science Study and teaching (middle school). Science Study and teaching (secondary). Leppien, Jann H. Purcell, Jeanne H. OLOPSC 67492 67492 0 0 0 0 HSLRC HSLRC FAC 2020-02-13 0 LB 1585 P222 2011 HS10074 2025-05-23 00:00:00 2020-02-13 BK