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e steven coren
2 cilt bulundu.
Cilt sonuçları
The law and the diving professional
E. Steven Coren · PADI
180 sayfa · 1985
Law and legislation / Liability for sports accidents / Scuba diving
The business of diving
Professional Association of Diving Instructors., E. Steven Coren, Neil Dougherty · PADI
158 sayfa · 1995
Recreational dive industry / Handbooks, manuals / Handbooks, manuals, etc