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1. Etika Alam Sekitar by Mohd Zuhdi Marsuki Publication: Malaysia PTS Publications & Distributor Sdn Bhd 2002 . 227 pg , - 21 cm Date:2002 Availability: Copies available: PERPUSTAKAAN AWAM LABUAN (1),

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2. Hindari pencemaran tanah by Muhammad Umar Publication: Kuala Lumpur Jurus Prinsip SDN. BHD. 2008 . 27 p. 21.3 cm Date:2008 Availability: Copies available: PERPUSTAKAAN AWAM LABUAN (1),

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3. Pelihara sumber air kita by Muhammad Umar Publication: Kuala Lumpur Jurus Prinsip Sdn Bhd 2008 . 28 p. 21 cm. Date:2008 Availability: Copies available: PERPUSTAKAAN AWAM LABUAN (1),

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4. Kekalkan kebersihan udara by Muhammad Umar Publication: Kuala Lumpur Jurus Prinsip Sdn Bhd 2008 . 28 p. 21.5 cm Date:2008 Availability: Copies available: PERPUSTAKAAN AWAM LABUAN (1),

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5. Pengurusan bahan buangan by Muhammad Umar Publication: Kuala Lumpur Jurus Prinsip Sdn Bhd 2008 . 28 p. 22.5 cm Date:2008 Availability: Copies available: PERPUSTAKAAN AWAM LABUAN (1),

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6. Haiwan Dan Kepentingannya by Muhammad Umar Publication: Kuala Lumpur Jurus Prinsip Sdn. Bhd. 2008 . 28p. 20cm. Date:2008 Availability: Copies available: PERPUSTAKAAN AWAM LABUAN (1),

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