পথ মৰ্পথচাৰী

পথ-প্ৰদৰ্শন (Assamese)
Contributed by: Abhijit Kalita on 2012-06-11
1. Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. The field of navigation includes four general categories... from wikipedia.org