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3R
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Sisa pepejal
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Age 5-6
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level: Prasekolah
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Malay
Author's Instructions
Pengurangan sisa pepejal (3R)
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-
3R
-
Sisa pepejal
-
Age 5-6
-
level: Prasekolah
-
Malay
Author's Instructions
Pengurangan sisa pepejal (3R)