卖KEY STUDY GUIDES $5 each. I have no use of them anymore. / I( M3 T- N* {- |# t8 E2 ~ ( b8 @ j) [+ E! t0 w' \- OINCLUDES 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)+ n7 c: ]. y# O* v- M
Chemistry 30 & j8 v# p/ |7 R' h, OEnglish 30 3 E4 w7 p( m& vEnglish 20 (150pgs)3 F* |: A% S0 K. { a# n1 y7 o
Social studies 30 - ~+ w3 V6 A2 _& \% eBiology 30 % r! B; ?' v/ APhysics 30