http://repository.uhamka.ac.id/4439/ Bambang, Dwi Hartono http://repository.uhamka.ac.id/4439/1/3.3.1%20Laporan%20Tracer%20Study.pdf Bambang, Dwi Hartono 3.3.1 Laporan Tracer Study. Documentation. MM UHAMKA. (Submitted)