http://repository.uhamka.ac.id/id/eprint/10159/
Leni Marlena, Leni
http://repository.uhamka.ac.id/id/eprint/10159/1/Laporan%20Akhir%20RAL%20Matek%20ttd.pdf
http://repository.uhamka.ac.id/id/eprint/10159/
Leni Marlena, Leni
http://repository.uhamka.ac.id/id/eprint/10159/1/Laporan%20Akhir%20RAL%20Matek%20ttd.pdf