http://repository.uhamka.ac.id/4438/ Bambang, Dwi Hartono http://repository.uhamka.ac.id/4438/1/3.3.1%20Kuesioner%20Trecer%20Study.pdf Bambang, Dwi Hartono 3.3.1 Kuesioner Trecer Study. Documentation. MM UHAMKA. (Submitted)