Populasi penelitian ini berjumlah 437 orang mahasiswa dan sampel berjumlah 100 orang mahasiswa angkatan 2013, 2014 dan 2015 dari program studi teknik mesin dan program studi pendidikan teknik mesin
This research population numbered 437 students and the sample numbered 100 students host 2013, 2014 and 2015 from courses in mechanical engineering and mechanical engineering education study program
The population of this research were 437 students and a sample of 100 students from class of 2013, 2014 and 2015 of the program of study mechanical engineering and mechanical engineering education courses