卖KEY STUDY GUIDES $5 each. I have no use of them anymore. 0 z! {& Q# v% O8 D4 r 9 Z( o# n" P' [0 WINCLUDES ALL CONCEPTS of courses in concentrated notes AND PRACTICE QUESTIONS as well as PRACTICE DIPLOMA EXAMS with solutions to all questions. ( 30-level are about 300pages) V6 o- d: N7 V8 k* \, hChemistry 30 - k' }. O: Y% s# M4 vEnglish 30 ( A1 C& {9 y% u5 h" [7 `English 20 (150pgs) ' p& M( u0 }- I, P0 }! gSocial studies 30& r$ H5 u, }. k q
Biology 30 & }3 _2 S# v m) L3 W& M# r9 K: HPhysics 30