Ancaman Terhadap Kelestarian Lingkungan di Wilayah Perbatasan Negara : Ancaman dan Upaya Pelestarian Lingkungan Alam Oleh Penduduk Pulau Sebatik, Kabupaten Nunukan, Provinsi Kalimantan Timur

idris

January 21, 2014

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bertha tantular

April 10, 2013

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elly rasmikayati

December 31, 2012

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ellin herlia

December 31, 2012

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ellin febrina

December 31, 2012

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elizabeth fitriana sari

December 16, 2012

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eliyas hermani

December 16, 2012

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elisatris gultom

December 16, 2012

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elisa susanti

December 16, 2012

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elis suryani ns

December 16, 2012

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elis rusminah

December 16, 2012

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elin karlina

December 16, 2012

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March 15, 2012