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Liew Si Tim & Cham Juat Eng ( 2003 ). Mathematics  Textbook Part 2 Year Two.  Johor.  YPJ          Publications & Distributors Sdn Bhd.

Liew Si Tim & Cham Juat Eng ( 2003 ). Mathematics Activity Book  Part 2 Year Two.        Johor .YPJ  Publications & Distributors Sdn Bhd..

Ministry Of Education Malaysia.. CD 7, Teaching Courseware Mathematics Year 2. Copyright    2004    Government Of Malaysia

Murugiah s/o Velayutham & Kao Thuan Keat ( 2010 ). HBMT2103 Teaching Mathematics in        Year Two. Selangor Darul Ehsan. Meteor Doc. Sdn. Bhd.

Pusat Perkembangan Kurikulum ( 2003 ). Huraian Sukatan Matematik Tahun 2. Kementerian       Pelajaran Malaysia.

Wan Zah Wan Ali, Ramlah Hassan & Rosini Abu ( 2009 ).  HBEF3103 Prinsip Teknologi             Pengajaran. Selangor Darul Ehsan. Meteor Doc. Sdn. Bdh.

http://www.youtube.com/watch?v=iPkZIce84ag&feature=related   ( 20-10-2010 )

http://www.youtube.com/results?search_query=volumme+of+liquid&aq=f ( 20-10-2010 )

http://www.scribd.com/doc/12807608/Definisi-ABM   ( 25-10-2010 )

http://www.google.com.my/searchhl=en&source=hp&q=definisi+bahan+bantu+mengajar&aq=0&aqi=g1&aql=&oq=definisi+bahan+bantu+&gs_rfai=&rlz=1R2ADFA_enMY360   ( 26-10-2010 )