http://repository.uhamka.ac.id/4349/ Samsul Maarif, SMF http://repository.uhamka.ac.id/4349/1/Nlai%20Akhir%20Prosiding_Introduction%20Leaning%20geometry.pdf Samsul Maarif, SMF Hasil Peer Reviu Artikel prosiding Berjudul “Introducing geometry concept based on history of Islamic geometry”. UHAMKA. (Unpublished) Silahkan Download Disini!