S.U.B Certificate for Fresh Water Biology
Thanks to Scubado, I made this course via e-Learning from S.U.B International: https://sub.international/classes/freshwaterbiology/freshwaterbiology.php
Nice and refreshing :))

Posted in diving
Thanks to Scubado, I made this course via e-Learning from S.U.B International: https://sub.international/classes/freshwaterbiology/freshwaterbiology.php
Nice and refreshing :))
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