| Artist | : | Presentation of Marine Engineering by Georgopoulos Nikolaos app's creator & Founder of NavTechs© |
| Title | : | NavTechs© |
| Duration | : | 1070 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Presentation of Marine Engineering by Georgopoulos Nikolaos app's creator & Founder of NavTechs© |
| Title | : | NavTechs© |
| Duration | : | 1070 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |