Huraian Sukatan Pelajaran Matematik Tahun 2, Kementerian Pelajaran Malaysia.
Murugiah s/o Velayutham & Kao Thuan Keat (2010), HBMT2103:Teaching Mathematics in Year Two. Selangor. Meteor Doc. Sdn.Bhd.
Lee Tak Sing, Lean Kee Fang & Azizah binti Hj Tengah ( 2003 ), Mathematics Year 2 Activity Part 2. Kuala Lumpur. Hypersurf Corporation Sdn. Bhd.
Lee Tak Sing, Lean Kee Fang & Azizah binti Hj Tengah ( 2003 ), Mathematics Year 2 Textbook Part 2. Kuala Lumpur. Hypersurf Corporation Sdn. Bhd.
