http://repository.uhamka.ac.id/4350/ Samsul Maarif, SMF http://repository.uhamka.ac.id/4350/1/Nilai%20Akhir%20Prosiding_Adult%20Gesture.pdf Samsul Maarif, SMF Hasil Peer Reviu Artikel prosiding Berjudul “Adult Gesture in Collaborative Mathematics Reasoning in Different Ages”. UHAMKA. (Unpublished) Silahkan Download Disini!