http://repository.uhamka.ac.id/id/eprint/12137/
5. 2019.7.6 Jurnal OMEGA Peer Review
RIZKI DWI SISWANTO, RDS
http://repository.uhamka.ac.id/id/eprint/12137/1/5.%202019.7.6%20Jurnal%20OMEGA%20Peer%20Review.pdf
Fans Buya Hamka
http://repository.uhamka.ac.id/id/eprint/12137/
5. 2019.7.6 Jurnal OMEGA Peer Review
RIZKI DWI SISWANTO, RDS
http://repository.uhamka.ac.id/id/eprint/12137/1/5.%202019.7.6%20Jurnal%20OMEGA%20Peer%20Review.pdf