Saya mau tau PADI pensijilan profesional dari Professional Association of Diving Instructors. Jelaskan dalam bahasa melayu

PADI Open Water Scuba Instructor (OWSI)

PADI Master Scuba Diver Trainer (MSDT)

Official PADI Instructor Development Calendar

Sport Diver magazine, United Kingdom edition  and North American edition - The official magazine of PADI

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