Arfan Muammar, M.; Charis Hidayat. (2018). Character building membangun pribadi unggul/ M. Arfan Muammar...[et al.]; editor, Charis Hidayat. Surabaya:: UMSurabaya Publishing,.
Arfan Muammar, M.; Charis Hidayat. Character building membangun pribadi unggul/ M. Arfan Muammar...[et al.]; editor, Charis Hidayat. Surabaya:: UMSurabaya Publishing,, 2018
Arfan Muammar, M.; Charis Hidayat. Character building membangun pribadi unggul/ M. Arfan Muammar...[et al.]; editor, Charis Hidayat. Surabaya:: UMSurabaya Publishing,, 2018.