TY  - UNPB
PB  - Universitas Muhammadiyah Prof.DR.HAMKA
A1  - Zulherman, Zulherman
ID  - repository40735
TI  - certificate soe uum
AV  - public
N1  - Unpublished
UR  - http://repository.uhamka.ac.id/id/eprint/40735/
ER  -