سازمانهاي تخصصي خارجي حمل و نقل دريايي

·         k-sea transportation

·         Air and Sea Transport Directory

·         sea transportation

·         Military Sea Transport Service in Korean War

·         Traveling Internet SEA TRANSPORTATION Greece Aegean Island

·         International Surface Transportation

·         Small Vessels

·         Importing and Exporting

·         Marine Navigation Glossary

·         Trade and Shipping Terms Glossary U.S. Dept. of Commerce

·         Acc Subcommittee on Ocean and Coastal Areas

·         Marine Security at transport Canada

·         Marine Security Contribution Program

·         Marine Safety Tips

·         Navigation Safety and Radio Communications

·         Marine Personnel Standards and Pilot age

·         Small Fishing Vessels

·         Special Purpose Vessels