Study Ekology - SOI MEDAN


Kegiatan Study Ekologi Lembah Sibayak - SoI
Watch: http://www.youtube.com/watch?v=yUDA_GMVyMQ

 

 

Studi Ekologi Part 1: http://www.youtube.com/watch?v=AM_m2s7Vx-o

 

 

 

Studi Ekologi Part 2: http://www.youtube.com/watch?v=NxJav4DWT_I

 

 

Studi Ekologi Part 3: http://www.youtube.com/watch?v=Sxar7KAHwBc

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