http://repository.uhamka.ac.id/4280/
Syaiful Rohim, Aim
http://repository.uhamka.ac.id/4280/1/Vagrants%20communication%20behavior%20on%20interpersonal%20relation%20in%20jakarta.pdf
Syaiful Rohim, Aim Peer Review hasil Penelitian di Jurnal Buletin Alturas. UHAMKA. (Unpublished)