http://repository.uhamka.ac.id/id/eprint/11996/
Peer Reviu_Depicting Epistemological Obstacles in Understanding the
Concept of Sequence and Series
Samsul Maarif, SMF
http://repository.uhamka.ac.id/id/eprint/11996/1/SINTA%203_Depiciting%20Epistimological%20in%20Understanding.pdf