http://repository.uhamka.ac.id/4355/
Samsul Maarif, SMF
http://repository.uhamka.ac.id/4355/1/Hasil%20Peer%20Reviu%20Jurnal%20Scopus_Improving%20Junior.pdf
Samsul Maarif, SMF Hasil Peer Reviu Artikel Jurnal Berjudul “Improving Junior High School Students’ Mathematical Analogical Ability Using Discovery Learning Method. UHAMKA. (Unpublished)