hi all forumites!
i need help

i just done grade 5 and want to improve my technique for grade 6, so far, i'm learning techniques/studies from :
-graded pianoforte studies grade 5 published by ABRSM
-heller 25 studies op. 47
-czerny op. 636
those copied-books are from my teacher..

any other studies materials and suggestions will be appreciated! thanks

m_b_r

Lots of varied repertoire.