1. V.Murugiah & Kao Thuan Keat, May 2010.HBMT2103 Teaching Mathematics In Year Two. OUM, Meteor Doc Sdn Bhd.
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2. Liquid Volume Of Lesson Plans Reviewed By Teachers.1999-2010 Education Planet. All rights reserved. From http://www.lessonplanet.com/
4. Student learn measurement conversation. Liquid Capacity Lesson Plan from
www.moneyinstructor.com/lesson/