(G9 MTH AEO) Grade 9 Maths Unit 6, Topic 6.4, 6.4.1, 6.4.2 and 6.4.3

Punjab Text Book Board, Lahore, Pakistan.
Publication Date = Mar 2010
Edition = 8
Tibbat / Print = 4
Unit 6
Topics covered = 6.4, 6.4.1, 6.4.2 and 6.4.3