http://repository.uhamka.ac.id/id/eprint/17718/
okumen Cek Similarity atau Originality
Bandarsyah, Desvian
http://repository.uhamka.ac.id/id/eprint/17718/1/Turnitin%20Student%20Interest%20in%20Understanding%20European%20History%20Through%20the%20Museum%20Virtual%20Tour%20360.pdf