http://repository.uhamka.ac.id/4496/ Syae Purrohman, Purnama http://repository.uhamka.ac.id/4496/1/Skripsi%20Nur%20Syafa%20Alfarisy.pdf Syae Purrohman, Purnama Bimbingan Skripsi Effects on implementation of methods of Brainstorming on the outcome of IPS class IV SDN Pekayon 05 Pagi Jakarta. FKIP UHAMKA. (Unpublished)