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Kelvin Chia

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Primary Science Concepts Applied. Primary 3 & 4
Get Your Concepts Right Science. Primary 3 & 4
Get Your Concepts Right Science. Primary 5 & 6
Primary Science Concepts Applied. Primary 5 & 6
Primary Science MCQ with National Education Questions Upper block (primary 5/6)
Primary Science MCQ with National Education Questions Lower block (primary 3/4)