Follow the entire PPL ground school from MIT
There is no shortage of study material found on the internet. Just sit down and search on google. One such site is the MIT OpenCourseWare.… Leer más »Follow the entire PPL ground school from MIT
There is no shortage of study material found on the internet. Just sit down and search on google. One such site is the MIT OpenCourseWare.… Leer más »Follow the entire PPL ground school from MIT