卖KEY STUDY GUIDES $5 each. I have no use of them anymore. 4 ^5 v% K8 E; \, h , f3 Y6 {. W. N; Y1 TINCLUDES ALL CONCEPTS of courses in concentrated notes AND PRACTICE QUESTIONS as well as PRACTICE DIPLOMA EXAMS with solutions to all questions. ( 30-level are about 300pages)8 G3 t4 K; u. r; d
Chemistry 30( L2 W# n; C& ?; d1 L( M) r s
English 30 2 ]+ \. F* |; u3 A$ l$ Z$ iEnglish 20 (150pgs)" @2 d" d. T2 i6 D
Social studies 30' X6 F8 X& _& I* B' a, V8 p
Biology 30 5 s1 i3 h3 i0 ?; y& |, CPhysics 30