Links
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https://drive.google.com/drive/folders/0B52JoR4YdlopVkJia2RtSFBnVGM
http://marinenotes.blogspot.com/p/mmd-e-pariksha-online.html
http://marinenotes.blogspot.com/2012/06/basics-videos-of-marine-engineering.html
http://marinersrepository.blogspot.com/