<![CDATA[Encyclopedia of knowledge jilid 2]]>
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<![CDATA[Ensiklopedi Indonesia Seri Fauna ( Reptilia dan Amfibia) volume 5]]>
<![CDATA[Ensiklopedi Indonesia Seri Fauna (Burung) volume 1]]>
<![CDATA[Ensiklopedi Indonesia Seri Fauna (Ikan) volume 2]]>
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<![CDATA[Encyclopedia of knowledge jilid 8]]>
<![CDATA[Encyclopedia of Knowledge jilid 20]]>
<![CDATA[Encyclopedia of knowledge jilid 19]]>
<![CDATA[Encyclopedia of Knowledge jilid 18]]>
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<![CDATA[Encyclopedia of Knowledge jilid 16]]>
<![CDATA[Encyclopedia of Knowledge jilid 15]]>
<![CDATA[Encyclopedia of Knowledge jilid 14]]>
<![CDATA[Encyclopedia of Knowledge jilid .13]]>
<![CDATA[Encyclopedia of Knowledge jilid.12]]>
<![CDATA[Encyclopedia of Knowledge jilid .11]]>
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<![CDATA[Encyclopedia of knowledge jilid 4]]>