TY - BOOK AU - Khalil, Aziz AU - Kattan, Jeanne TI - An evaluation study of PETRA materials used at the eighth , ninth and tenth grades in the West Bank government schools AV - LB2822.83.P3K45 1994 PB - Bethlehem University KW - Educational evaluation - Palestine KW - English Language - Study and teaching (Secondary) - Palestine KW - Curriculum evaluation - Palestine KW - LB ER -