卖KEY STUDY GUIDES $5 each. I have no use of them anymore. ! k8 j$ `) \/ A3 s8 p , j' ?: }5 g3 x& G8 [$ i2 ]+ kINCLUDES 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)% w2 ]0 |0 E. c) X+ l5 p
Chemistry 30 0 d9 P+ f7 z. ^6 a1 uEnglish 306 s" j$ L+ x+ v5 p0 x' u1 a$ J1 r0 f
English 20 (150pgs)% w' D& e3 o0 ?1 v2 }4 Y- p
Social studies 303 y: G6 Q; |# U v( P! d& G
Biology 30 8 r0 t" J" |4 |$ [; C5 g
Physics 30