ACMA Study Books (Stages II and III)

[Jan]

Assalam-o-Alaikum

Can anyone help me in selecting books in attempting the following papers of ACMA Stage II and Stage III

1-Business mathematics and Statistics ( Stage II)

2 Financial Accounting ( Stage III)

3- Performance Measurement ( Stage III)

4-Business Taxation ( Stage III)

Should I also study ACCA relevant study texts for additional readings?

Plz help me.

Thanx