Penurunan beton terumbu karang buatan 2009.

Penurunan beton terumbu karang buatan 2006.

Teknik Selam (Scuba Diving)

Teknik Selam 1

Publish at Scribd or explore others: Tutorial teknik selam (scuba

Coral Reef in Indonesia

Terumbu Karang di Indonesia

Publish at Scribd or explore others: Islam Economics indonesia di

Dear Scuba Divers,

Welcome to Web Blog of Balikpapan Scuba Diver Community.
We hope a lot of Balikpapan Scuba Diver will join to this community.


Kind regards,
Hery Seputro
Ex-DiveGuide (DiveGuide) of Derawan Dive Resort.